diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/PS_Charts.Build.cs b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/PS_Charts.Build.cs
index 35e9ea4..f96e989 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/PS_Charts.Build.cs
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/PS_Charts.Build.cs
@@ -1,3 +1,5 @@
+// Copyright ASTERION VR. All Rights Reserved.
+
 using UnrealBuildTool;
 
 public class PS_Charts : ModuleRules
diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSBarChart.cpp b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSBarChart.cpp
index daec1aa..f67fdf7 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSBarChart.cpp
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSBarChart.cpp
@@ -1,11 +1,12 @@
-// PS_Charts - widget UMG histogramme
+// Copyright ASTERION VR. All Rights Reserved.
+// PS_Charts - UMG bar chart widget
 #include "PSBarChart.h"
 
 #include "SPSBarChart.h"
 
 UPSBarChart::UPSBarChart()
 {
-	// Donnees d'exemple pour la previsualisation dans le designer UMG
+	// Sample data for the UMG designer preview
 	Categories = { TEXT("Jan"), TEXT("Feb"), TEXT("Mar"), TEXT("Apr"), TEXT("May"), TEXT("Jun") };
 	Series.Emplace(TEXT("Serie 1"), TArray<float>{ 12.f, 25.f, 18.f, 30.f, 22.f, 27.f });
 	Series.Emplace(TEXT("Serie 2"), TArray<float>{ 8.f, 15.f, 22.f, 18.f, 26.f, 20.f });
diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSCartesianChartBase.cpp b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSCartesianChartBase.cpp
index 7edd486..6c7b8b7 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSCartesianChartBase.cpp
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSCartesianChartBase.cpp
@@ -1,4 +1,5 @@
-// PS_Charts - base commune histogramme / courbes
+// Copyright ASTERION VR. All Rights Reserved.
+// PS_Charts - shared base of bar / line charts
 #include "PSCartesianChartBase.h"
 
 void UPSCartesianChartBase::SetCategories(const TArray<FString>& InCategories)
diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSChartTypes.cpp b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSChartTypes.cpp
index 6494d36..025e735 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSChartTypes.cpp
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSChartTypes.cpp
@@ -1,4 +1,5 @@
-// PS_Charts - palette et resolution des couleurs
+// Copyright ASTERION VR. All Rights Reserved.
+// PS_Charts - palette and color resolution
 #include "PSChartTypes.h"
 
 namespace PSCharts
diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSChartWidgetBase.cpp b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSChartWidgetBase.cpp
index 0e41240..04f367d 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSChartWidgetBase.cpp
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSChartWidgetBase.cpp
@@ -1,4 +1,5 @@
-// PS_Charts - base commune des widgets UMG
+// Copyright ASTERION VR. All Rights Reserved.
+// PS_Charts - shared base of the UMG chart widgets
 #include "PSChartWidgetBase.h"
 
 #define LOCTEXT_NAMESPACE "PS_Charts"
diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSChartsModule.cpp b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSChartsModule.cpp
index f7d3567..be4bc0b 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSChartsModule.cpp
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSChartsModule.cpp
@@ -1,4 +1,5 @@
-// PS_Charts - module runtime
+// Copyright ASTERION VR. All Rights Reserved.
+// PS_Charts - runtime module
 #include "Modules/ModuleManager.h"
 
 class FPS_ChartsModule : public IModuleInterface
diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSChartsPaintUtil.cpp b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSChartsPaintUtil.cpp
index ca697a4..2ef40ba 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSChartsPaintUtil.cpp
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSChartsPaintUtil.cpp
@@ -1,4 +1,5 @@
-// PS_Charts - utilitaires de dessin partages
+// Copyright ASTERION VR. All Rights Reserved.
+// PS_Charts - painting helpers shared by the Slate widgets
 #include "PSChartsPaintUtil.h"
 
 #include "Fonts/FontMeasure.h"
@@ -200,7 +201,7 @@ TArray<FVector2f> SmoothPolyline(const TArray<FVector2f>& Points, int32 Subdivis
 			const float T = float(Sub) / SubdivisionsPerSegment;
 			const float T2 = T * T;
 			const float T3 = T2 * T;
-			// Catmull-Rom uniforme
+			// Uniform Catmull-Rom
 			const FVector2f Point = 0.5f * ((2.f * P1)
 				+ (-P0 + P2) * T
 				+ (2.f * P0 - 5.f * P1 + 4.f * P2 - P3) * T2
@@ -367,7 +368,7 @@ FAxisLayout DrawValueAxis(FSlateWindowElementList& OutDrawElements, int32& Layer
 	TSharedRef<FSlateFontMeasure> FontMeasure = GetFontMeasure();
 	const float FontHeight = float(FontMeasure->GetMaxCharacterHeight(Font));
 
-	// Graduations
+	// Ticks
 	TArray<float> TickValues;
 	for (int32 Tick = 0; Tick <= 64; ++Tick)
 	{
@@ -401,7 +402,7 @@ FAxisLayout DrawValueAxis(FSlateWindowElementList& OutDrawElements, int32& Layer
 	}
 	Layout.bValid = true;
 
-	// Grille + etiquettes de graduations
+	// Grid lines + tick labels
 	for (int32 Index = 0; Index < TickValues.Num(); ++Index)
 	{
 		const float Y = Layout.ValueToY(TickValues[Index]);
@@ -421,7 +422,7 @@ FAxisLayout DrawValueAxis(FSlateWindowElementList& OutDrawElements, int32& Layer
 			FVector2f(LabelWidth, FontHeight), TickLabels[Index], Font, TextColor, DrawEffects);
 	}
 
-	// Axe Y (gauche)
+	// Y axis (left)
 	{
 		TArray<FVector2f> AxisPoints;
 		AxisPoints.Add(FVector2f(Layout.PlotRect.Left, Layout.PlotRect.Top));
@@ -430,7 +431,7 @@ FAxisLayout DrawValueAxis(FSlateWindowElementList& OutDrawElements, int32& Layer
 			MoveTemp(AxisPoints), DrawEffects, Axis.AxisColor, false, 1.f);
 	}
 
-	// Axe X (bas) et ligne du zero si necessaire
+	// X axis (bottom) and zero line when needed
 	{
 		TArray<FVector2f> AxisPoints;
 		AxisPoints.Add(FVector2f(Layout.PlotRect.Left, Layout.PlotRect.Bottom));
@@ -475,7 +476,7 @@ void DrawCategoryLabels(FSlateWindowElementList& OutDrawElements, int32 LayerId,
 		MaxLabelWidth = FMath::Max(MaxLabelWidth, Width);
 	}
 
-	// Saute des etiquettes si elles ne tiennent pas dans la largeur d'un emplacement
+	// Skip labels when they cannot fit within one slot width
 	const int32 SkipStep = (SlotWidth > 1.f) ? FMath::Max(1, FMath::CeilToInt((MaxLabelWidth + 6.f) / SlotWidth)) : 1;
 
 	for (int32 Index = 0; Index < Labels.Num(); ++Index)
diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSChartsPaintUtil.h b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSChartsPaintUtil.h
index a0a0cd0..2794303 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSChartsPaintUtil.h
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSChartsPaintUtil.h
@@ -1,4 +1,5 @@
-// PS_Charts - utilitaires de dessin partages entre les widgets Slate
+// Copyright ASTERION VR. All Rights Reserved.
+// PS_Charts - painting helpers shared by the Slate widgets
 #pragma once
 
 #include "CoreMinimal.h"
@@ -14,7 +15,7 @@ namespace PSChartsPaint
 		FLinearColor Color;
 	};
 
-	/** Resultat du trace de l'axe des valeurs. */
+	/** Result of the value axis painting. */
 	struct FAxisLayout
 	{
 		bool bValid = false;
@@ -34,61 +35,61 @@ namespace PSChartsPaint
 
 	FSlateFontInfo GetFont(float Size, bool bBold = false);
 
-	/** Point sur un cercle ; angle 0 = midi, sens horaire, en radians. */
+	/** Point on a circle; angle 0 = twelve o'clock, clockwise, in radians. */
 	FVector2f PolarPoint(const FVector2f& Center, float Radius, float AngleRad);
 
-	/** Ajoute un secteur annulaire (part de camembert / donut) au buffer de vertex. */
+	/** Appends an annular sector (pie / donut slice) to the vertex buffer. */
 	void AddArcSector(TArray<FSlateVertex>& Verts, TArray<SlateIndex>& Indices,
 		const FSlateRenderTransform& RenderTransform, const FVector2f& AtlasUV,
 		const FVector2f& Center, float OuterRadius, float InnerRadius,
 		float StartAngleRad, float EndAngleRad, const FColor& Color);
 
-	/** Ajoute un disque plein (marqueur de point) au buffer de vertex. */
+	/** Appends a filled disc (point marker) to the vertex buffer. */
 	void AddCircle(TArray<FSlateVertex>& Verts, TArray<SlateIndex>& Indices,
 		const FSlateRenderTransform& RenderTransform, const FVector2f& AtlasUV,
 		const FVector2f& Center, float Radius, const FColor& Color, int32 NumSegments = 20);
 
-	/** UV du centre de la texture blanche dans son atlas. */
+	/** UV of the center of the white texture inside its atlas. */
 	FVector2f GetAtlasUV(const FSlateResourceHandle& Handle);
 
-	/** Echelle "propre" (bornes et pas arrondis) pour l'axe des valeurs. */
+	/** "Nice" scale (rounded bounds and step) for the value axis. */
 	void ComputeNiceAxis(float DataMin, float DataMax, int32 TargetTicks, float& OutMin, float& OutMax, float& OutStep);
 
-	/** Formate une valeur en supprimant les zeros inutiles. */
+	/** Formats a value, trimming useless zeros. */
 	FString FormatValue(float Value, int32 MaxDecimals = 2);
 
-	/** Formate une valeur de graduation selon le pas de l'axe. */
+	/** Formats an axis tick value according to the axis step. */
 	FString FormatAxisValue(float Value, float Step);
 
-	/** Interpolation Catmull-Rom d'une polyligne. */
+	/** Catmull-Rom interpolation of a polyline. */
 	TArray<FVector2f> SmoothPolyline(const TArray<FVector2f>& Points, int32 SubdivisionsPerSegment = 12);
 
 	void DrawBackground(FSlateWindowElementList& OutDrawElements, int32& LayerId, const FGeometry& Geometry,
 		const FLinearColor& Color, ESlateDrawEffect DrawEffects);
 
-	/** Dessine le titre centre en haut et retourne le rect restant. */
+	/** Draws the title centered at the top and returns the remaining rect. */
 	FSlateRect DrawTitle(FSlateWindowElementList& OutDrawElements, int32& LayerId, const FGeometry& Geometry,
 		const FSlateRect& Rect, const FText& Title, const FLinearColor& Color, float FontSize, ESlateDrawEffect DrawEffects);
 
-	/** Dessine la legende et retourne le rect restant pour le contenu. */
+	/** Draws the legend and returns the remaining rect for the content. */
 	FSlateRect DrawLegend(FSlateWindowElementList& OutDrawElements, int32& LayerId, const FGeometry& Geometry,
 		const FSlateRect& Rect, const TArray<FLegendEntry>& Entries, EPSChartLegendPosition Position,
 		const FLinearColor& TextColor, float FontSize, ESlateDrawEffect DrawEffects);
 
 	/**
-	 * Calcule l'echelle, dessine grille + graduations + axes, et retourne la zone de trace.
-	 * BottomReserve : hauteur reservee sous la zone de trace (etiquettes de categories).
+	 * Computes the scale, draws grid + ticks + axes, and returns the plot area.
+	 * BottomReserve: height reserved below the plot area (category labels).
 	 */
 	FAxisLayout DrawValueAxis(FSlateWindowElementList& OutDrawElements, int32& LayerId, const FGeometry& Geometry,
 		const FSlateRect& Rect, float BottomReserve, const FPSAxisParams& Axis, float DataMin, float DataMax,
 		const FLinearColor& TextColor, float FontSize, ESlateDrawEffect DrawEffects);
 
-	/** Dessine les etiquettes de categories sous la zone de trace (saute des etiquettes si trop serrees). */
+	/** Draws the category labels below the plot area (skips labels when too dense). */
 	void DrawCategoryLabels(FSlateWindowElementList& OutDrawElements, int32 LayerId, const FGeometry& Geometry,
 		const FAxisLayout& Layout, const TArray<FString>& Labels, TFunctionRef<float(int32)> GetCenterX,
 		float SlotWidth, const FLinearColor& TextColor, float FontSize, ESlateDrawEffect DrawEffects);
 
-	/** Dessine une chaine a une position locale donnee. */
+	/** Draws a string at a given local position. */
 	void DrawTextAt(FSlateWindowElementList& OutDrawElements, int32 LayerId, const FGeometry& Geometry,
 		const FVector2f& Position, const FVector2f& Size, const FString& Text, const FSlateFontInfo& Font,
 		const FLinearColor& Color, ESlateDrawEffect DrawEffects);
diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSLineChart.cpp b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSLineChart.cpp
index 37ba53e..7ca9ebd 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSLineChart.cpp
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSLineChart.cpp
@@ -1,14 +1,15 @@
-// PS_Charts - widget UMG courbes
+// Copyright ASTERION VR. All Rights Reserved.
+// PS_Charts - UMG line chart widget
 #include "PSLineChart.h"
 
 #include "SPSLineChart.h"
 
 UPSLineChart::UPSLineChart()
 {
-	// Pour une courbe, l'echelle automatique colle aux donnees plutot qu'au zero
+	// For a line chart the automatic scale sticks to the data rather than zero
 	bIncludeZero = false;
 
-	// Donnees d'exemple pour la previsualisation dans le designer UMG
+	// Sample data for the UMG designer preview
 	Categories = { TEXT("Jan"), TEXT("Feb"), TEXT("Mar"), TEXT("Apr"), TEXT("May"), TEXT("Jun") };
 	Series.Emplace(TEXT("Serie 1"), TArray<float>{ 12.f, 25.f, 18.f, 30.f, 22.f, 27.f });
 	Series.Emplace(TEXT("Serie 2"), TArray<float>{ 8.f, 15.f, 22.f, 18.f, 26.f, 20.f });
diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSPieChart.cpp b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSPieChart.cpp
index e3db061..3c48cac 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSPieChart.cpp
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/PSPieChart.cpp
@@ -1,11 +1,12 @@
-// PS_Charts - widget UMG camembert
+// Copyright ASTERION VR. All Rights Reserved.
+// PS_Charts - UMG pie chart widget
 #include "PSPieChart.h"
 
 #include "SPSPieChart.h"
 
 UPSPieChart::UPSPieChart()
 {
-	// Donnees d'exemple pour la previsualisation dans le designer UMG
+	// Sample data for the UMG designer preview
 	Slices.Emplace(TEXT("Alpha"), 40.f);
 	Slices.Emplace(TEXT("Beta"), 30.f);
 	Slices.Emplace(TEXT("Gamma"), 20.f);
diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/SPSBarChart.cpp b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/SPSBarChart.cpp
index 9d33f2a..289f04c 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/SPSBarChart.cpp
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/SPSBarChart.cpp
@@ -1,4 +1,5 @@
-// PS_Charts - histogramme Slate natif
+// Copyright ASTERION VR. All Rights Reserved.
+// PS_Charts - native Slate bar chart
 #include "SPSBarChart.h"
 
 #include "Fonts/FontMeasure.h"
@@ -59,20 +60,20 @@ int32 SPSBarChart::OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeom
 	DrawBackground(OutDrawElements, Layer, AllottedGeometry, Tinted(Common.BackgroundColor), DrawEffects);
 	Rect = DrawTitle(OutDrawElements, Layer, AllottedGeometry, Rect, Common.Title, Tinted(Common.TitleColor), Common.TitleFontSize, DrawEffects);
 
-	// Legende (noms des series)
+	// Legend (series names)
 	if (Common.LegendPosition != EPSChartLegendPosition::None && Series.Num() > 0)
 	{
 		TArray<FLegendEntry> Entries;
 		Entries.Reserve(Series.Num());
 		for (int32 Index = 0; Index < Series.Num(); ++Index)
 		{
-			const FString Name = Series[Index].Name.IsEmpty() ? FString::Printf(TEXT("Serie %d"), Index + 1) : Series[Index].Name;
+			const FString Name = Series[Index].Name.IsEmpty() ? FString::Printf(TEXT("Series %d"), Index + 1) : Series[Index].Name;
 			Entries.Add({ Name, Tinted(PSCharts::ResolveColor(Index, Common.Palette, Series[Index].bUseCustomColor, Series[Index].CustomColor)) });
 		}
 		Rect = DrawLegend(OutDrawElements, Layer, AllottedGeometry, Rect, Entries, Common.LegendPosition, Tinted(Common.TextColor), Common.FontSize, DrawEffects);
 	}
 
-	// Nombre de points et bornes des donnees
+	// Point count and data bounds
 	int32 NumPoints = 0;
 	float DataMin = TNumericLimits<float>::Max();
 	float DataMax = TNumericLimits<float>::Lowest();
@@ -106,7 +107,7 @@ int32 SPSBarChart::OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeom
 		return Layer;
 	}
 
-	// Geometrie des barres
+	// Bar geometry
 	const float PlotWidth = Layout.PlotRect.GetSize().X;
 	const float SlotWidth = PlotWidth / NumPoints;
 	const float InnerWidth = SlotWidth * (1.f - FMath::Clamp(Bar.CategoryGapRatio, 0.f, 0.9f));
@@ -155,7 +156,7 @@ int32 SPSBarChart::OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeom
 	}
 	Layer += Bar.bShowValueLabels ? 2 : 1;
 
-	// Etiquettes de categories
+	// Category labels
 	TArray<FString> Labels;
 	Labels.Reserve(NumPoints);
 	for (int32 Index = 0; Index < NumPoints; ++Index)
diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/SPSLineChart.cpp b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/SPSLineChart.cpp
index c2d8afb..fd4097f 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/SPSLineChart.cpp
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/SPSLineChart.cpp
@@ -1,4 +1,5 @@
-// PS_Charts - courbes Slate natives
+// Copyright ASTERION VR. All Rights Reserved.
+// PS_Charts - native Slate line chart
 #include "SPSLineChart.h"
 
 #include "Fonts/FontMeasure.h"
@@ -59,20 +60,20 @@ int32 SPSLineChart::OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeo
 	DrawBackground(OutDrawElements, Layer, AllottedGeometry, Tinted(Common.BackgroundColor), DrawEffects);
 	Rect = DrawTitle(OutDrawElements, Layer, AllottedGeometry, Rect, Common.Title, Tinted(Common.TitleColor), Common.TitleFontSize, DrawEffects);
 
-	// Legende (noms des series)
+	// Legend (series names)
 	if (Common.LegendPosition != EPSChartLegendPosition::None && Series.Num() > 0)
 	{
 		TArray<FLegendEntry> Entries;
 		Entries.Reserve(Series.Num());
 		for (int32 Index = 0; Index < Series.Num(); ++Index)
 		{
-			const FString Name = Series[Index].Name.IsEmpty() ? FString::Printf(TEXT("Serie %d"), Index + 1) : Series[Index].Name;
+			const FString Name = Series[Index].Name.IsEmpty() ? FString::Printf(TEXT("Series %d"), Index + 1) : Series[Index].Name;
 			Entries.Add({ Name, Tinted(PSCharts::ResolveColor(Index, Common.Palette, Series[Index].bUseCustomColor, Series[Index].CustomColor)) });
 		}
 		Rect = DrawLegend(OutDrawElements, Layer, AllottedGeometry, Rect, Entries, Common.LegendPosition, Tinted(Common.TextColor), Common.FontSize, DrawEffects);
 	}
 
-	// Nombre de points et bornes des donnees
+	// Point count and data bounds
 	int32 NumPoints = 0;
 	float DataMin = TNumericLimits<float>::Max();
 	float DataMax = TNumericLimits<float>::Lowest();
@@ -106,7 +107,7 @@ int32 SPSLineChart::OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeo
 		return Layer;
 	}
 
-	// Position X de chaque point (reparties bord a bord)
+	// X position of each point (spread edge to edge)
 	const float PlotWidth = Layout.PlotRect.GetSize().X;
 	auto PointX = [&Layout, PlotWidth, NumPoints](int32 Index) -> float
 	{
@@ -117,7 +118,7 @@ int32 SPSLineChart::OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeo
 		return Layout.PlotRect.Left + PlotWidth * Index / (NumPoints - 1);
 	};
 
-	// Courbes
+	// Lines
 	const FSlateBrush* WhiteBrush = GetWhiteBrush();
 	const FSlateResourceHandle& ResourceHandle = WhiteBrush->GetRenderingResource();
 	const FVector2f AtlasUV = GetAtlasUV(ResourceHandle);
@@ -179,7 +180,7 @@ int32 SPSLineChart::OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeo
 	}
 	Layer += Line.bShowValueLabels ? 2 : 1;
 
-	// Etiquettes de categories
+	// Category labels
 	TArray<FString> Labels;
 	Labels.Reserve(NumPoints);
 	for (int32 Index = 0; Index < NumPoints; ++Index)
diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/SPSPieChart.cpp b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/SPSPieChart.cpp
index c75d490..cdb8d9e 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/SPSPieChart.cpp
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Private/SPSPieChart.cpp
@@ -1,4 +1,5 @@
-// PS_Charts - camembert Slate natif
+// Copyright ASTERION VR. All Rights Reserved.
+// PS_Charts - native Slate pie chart
 #include "SPSPieChart.h"
 
 #include "Fonts/FontMeasure.h"
@@ -52,14 +53,14 @@ int32 SPSPieChart::OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeom
 	DrawBackground(OutDrawElements, Layer, AllottedGeometry, Tinted(Common.BackgroundColor), DrawEffects);
 	Rect = DrawTitle(OutDrawElements, Layer, AllottedGeometry, Rect, Common.Title, Tinted(Common.TitleColor), Common.TitleFontSize, DrawEffects);
 
-	// Total des valeurs positives
+	// Sum of the positive values
 	float Total = 0.f;
 	for (const FPSPieSlice& Slice : Slices)
 	{
 		Total += FMath::Max(0.f, Slice.Value);
 	}
 
-	// Legende
+	// Legend
 	if (Common.LegendPosition != EPSChartLegendPosition::None && Slices.Num() > 0)
 	{
 		TArray<FLegendEntry> Entries;
@@ -76,7 +77,7 @@ int32 SPSPieChart::OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeom
 		return Layer;
 	}
 
-	// Rayon : reserve la place des etiquettes autour du camembert
+	// Radius: keep room around the pie for the labels
 	const FSlateFontInfo Font = GetFont(Common.FontSize);
 	TSharedRef<FSlateFontMeasure> FontMeasure = FSlateApplication::Get().GetRenderer()->GetFontMeasureService();
 	const float FontHeight = float(FontMeasure->GetMaxCharacterHeight(Font));
@@ -112,12 +113,12 @@ int32 SPSPieChart::OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeom
 	}
 
 	float OuterRadius = 0.5f * FMath::Min(Rect.GetSize().X - 2.f * LabelReserveX, Rect.GetSize().Y - 2.f * LabelReserveY);
-	// Si les etiquettes ne laissent plus de place, on retombe sur un rayon minimal lisible
+	// When labels leave no room, fall back to a minimal readable radius
 	OuterRadius = FMath::Max(OuterRadius, 0.25f * FMath::Min(Rect.GetSize().X, Rect.GetSize().Y));
 	const float InnerRadius = OuterRadius * FMath::Clamp(Pie.InnerRadiusRatio, 0.f, 0.95f);
 	const FVector2f Center((Rect.Left + Rect.Right) * 0.5f, (Rect.Top + Rect.Bottom) * 0.5f);
 
-	// Parts
+	// Slices
 	const FSlateBrush* WhiteBrush = GetWhiteBrush();
 	const FSlateResourceHandle& ResourceHandle = WhiteBrush->GetRenderingResource();
 	const FVector2f AtlasUV = GetAtlasUV(ResourceHandle);
@@ -157,7 +158,7 @@ int32 SPSPieChart::OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeom
 		++Layer;
 	}
 
-	// Etiquettes
+	// Labels
 	if (Pie.LabelType != EPSPieLabelType::None)
 	{
 		Angle = FMath::DegreesToRadians(Pie.StartAngleDegrees);
@@ -172,7 +173,7 @@ int32 SPSPieChart::OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeom
 			const float MidAngle = Angle + Sweep * 0.5f;
 			Angle += Sweep;
 
-			// Trop petit pour une etiquette lisible
+			// Too small for a readable label
 			if (Slice.Value / Total < 0.01f)
 			{
 				continue;
diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSBarChart.h b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSBarChart.h
index 31f0048..968814f 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSBarChart.h
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSBarChart.h
@@ -1,4 +1,5 @@
-// PS_Charts - widget UMG histogramme
+// Copyright ASTERION VR. All Rights Reserved.
+// PS_Charts - UMG bar chart widget
 #pragma once
 
 #include "CoreMinimal.h"
@@ -7,7 +8,7 @@
 
 class SPSBarChart;
 
-/** Histogramme natif (UMG) : barres verticales groupees par categorie. */
+/** Native bar chart (UMG): vertical bars grouped by category. */
 UCLASS(meta = (DisplayName = "PS Bar Chart"))
 class PS_CHARTS_API UPSBarChart : public UPSCartesianChartBase
 {
@@ -16,15 +17,15 @@ class PS_CHARTS_API UPSBarChart : public UPSCartesianChartBase
 public:
 	UPSBarChart();
 
-	/** Proportion vide entre les categories (0..0.9). */
+	/** Empty ratio between categories (0..0.9). */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Bar", meta = (ClampMin = 0.0, ClampMax = 0.9))
 	float CategoryGapRatio = 0.25f;
 
-	/** Ecart entre les barres d'une meme categorie (0..0.9). */
+	/** Gap between the bars of the same category (0..0.9). */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Bar", meta = (ClampMin = 0.0, ClampMax = 0.9))
 	float BarGapRatio = 0.1f;
 
-	/** Affiche la valeur au-dessus de chaque barre. */
+	/** Displays the value above each bar. */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Bar")
 	bool bShowValueLabels = false;
 
diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSCartesianChartBase.h b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSCartesianChartBase.h
index 0d49488..b8c5ea0 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSCartesianChartBase.h
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSCartesianChartBase.h
@@ -1,22 +1,23 @@
-// PS_Charts - base commune histogramme / courbes (donnees + axe des valeurs)
+// Copyright ASTERION VR. All Rights Reserved.
+// PS_Charts - shared base of bar / line charts (data + value axis)
 #pragma once
 
 #include "CoreMinimal.h"
 #include "PSChartWidgetBase.h"
 #include "PSCartesianChartBase.generated.h"
 
-/** Base des graphiques a axes (histogramme, courbes) : categories, series et axe des valeurs. */
+/** Base of the axis-based charts (bar, line): categories, series and value axis. */
 UCLASS(Abstract)
 class PS_CHARTS_API UPSCartesianChartBase : public UPSChartWidgetBase
 {
 	GENERATED_BODY()
 
 public:
-	/** Etiquettes de l'axe X (une par point ; complete par des numeros si insuffisant). */
+	/** X axis labels (one per point; padded with numbers when missing). */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Data")
 	TArray<FString> Categories;
 
-	/** Series de valeurs. */
+	/** Value series. */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Data")
 	TArray<FPSChartSeries> Series;
 
@@ -29,11 +30,11 @@ public:
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Axis")
 	FLinearColor AxisColor = FLinearColor(1.f, 1.f, 1.f, 0.5f);
 
-	/** Echelle automatique de l'axe des valeurs. */
+	/** Automatic scaling of the value axis. */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Axis")
 	bool bAutoRange = true;
 
-	/** Force l'inclusion du zero dans l'echelle automatique. */
+	/** Forces zero into the automatic scale. */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Axis", meta = (EditCondition = "bAutoRange"))
 	bool bIncludeZero = true;
 
@@ -43,27 +44,27 @@ public:
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Axis", meta = (EditCondition = "!bAutoRange"))
 	float AxisMaxValue = 100.f;
 
-	/** Unite ajoutee aux valeurs de l'axe (ex : " %"). */
+	/** Unit appended to the axis tick values (e.g. " %"). */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Axis")
 	FString ValueSuffix;
 
-	/** Remplace les etiquettes de l'axe X. */
+	/** Replaces the X axis labels. */
 	UFUNCTION(BlueprintCallable, Category = "ASTERION|PS_Charts|Data")
 	void SetCategories(const TArray<FString>& InCategories);
 
-	/** Remplace toutes les series. */
+	/** Replaces every series. */
 	UFUNCTION(BlueprintCallable, Category = "ASTERION|PS_Charts|Data")
 	void SetSeries(const TArray<FPSChartSeries>& InSeries);
 
-	/** Remplace les donnees par une serie unique. */
+	/** Replaces the data with a single series. */
 	UFUNCTION(BlueprintCallable, Category = "ASTERION|PS_Charts|Data")
 	void SetSingleSeries(const TArray<float>& InValues, const FString& InName = TEXT(""));
 
-	/** Met a jour les valeurs de la serie nommee (la cree si absente). */
+	/** Updates the values of the named series (creates it when missing). */
 	UFUNCTION(BlueprintCallable, Category = "ASTERION|PS_Charts|Data")
 	void SetSeriesValues(const FString& InName, const TArray<float>& InValues);
 
-	/** Supprime toutes les donnees. */
+	/** Removes all data. */
 	UFUNCTION(BlueprintCallable, Category = "ASTERION|PS_Charts|Data")
 	void ClearData();
 
diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSChartTypes.h b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSChartTypes.h
index 7323044..aa7497d 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSChartTypes.h
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSChartTypes.h
@@ -1,25 +1,26 @@
-// PS_Charts - types partages entre les widgets Slate et UMG
+// Copyright ASTERION VR. All Rights Reserved.
+// PS_Charts - types shared between the Slate and UMG widgets
 #pragma once
 
 #include "CoreMinimal.h"
 #include "PSChartTypes.generated.h"
 
-/** Position de la legende autour du graphique. */
+/** Legend position around the chart. */
 UENUM(BlueprintType)
 enum class EPSChartLegendPosition : uint8
 {
-	None	UMETA(DisplayName = "Masquee"),
+	None	UMETA(DisplayName = "Hidden"),
 	Top,
 	Bottom,
 	Left,
 	Right
 };
 
-/** Contenu des etiquettes affichees a cote des parts du camembert. */
+/** Content of the labels displayed next to the pie slices. */
 UENUM(BlueprintType)
 enum class EPSPieLabelType : uint8
 {
-	None	UMETA(DisplayName = "Masquees"),
+	None	UMETA(DisplayName = "Hidden"),
 	Name,
 	Value,
 	Percent,
@@ -27,7 +28,7 @@ enum class EPSPieLabelType : uint8
 	NamePercent
 };
 
-/** Une part de camembert. */
+/** A single pie slice. */
 USTRUCT(BlueprintType)
 struct FPSPieSlice
 {
@@ -39,7 +40,7 @@ struct FPSPieSlice
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart")
 	float Value = 0.f;
 
-	/** Si false, la couleur est prise automatiquement dans la palette du graphique. */
+	/** When false, the color is picked automatically from the chart palette. */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart")
 	bool bUseCustomColor = false;
 
@@ -52,7 +53,7 @@ struct FPSPieSlice
 	{}
 };
 
-/** Une serie de valeurs (histogramme ou courbe). */
+/** A series of values (bar or line chart). */
 USTRUCT(BlueprintType)
 struct FPSChartSeries
 {
@@ -64,7 +65,7 @@ struct FPSChartSeries
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart")
 	TArray<float> Values;
 
-	/** Si false, la couleur est prise automatiquement dans la palette du graphique. */
+	/** When false, the color is picked automatically from the chart palette. */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart")
 	bool bUseCustomColor = false;
 
@@ -78,10 +79,10 @@ struct FPSChartSeries
 };
 
 // ---------------------------------------------------------------------------
-// Parametres passes des widgets UMG aux widgets Slate (non exposes a l'UHT)
+// Parameters passed from the UMG widgets to the Slate widgets (not UHT-exposed)
 // ---------------------------------------------------------------------------
 
-/** Parametres communs a tous les graphiques. */
+/** Parameters shared by every chart. */
 struct FPSChartCommonParams
 {
 	FText Title;
@@ -94,17 +95,17 @@ struct FPSChartCommonParams
 	FLinearColor BackgroundColor = FLinearColor::Transparent;
 };
 
-/** Parametres specifiques au camembert. */
+/** Pie chart specific parameters. */
 struct FPSPieParams
 {
-	float InnerRadiusRatio = 0.f;		// 0 = camembert plein, >0 = donut
-	float StartAngleDegrees = 0.f;		// 0 = midi, sens horaire
-	float GapAngleDegrees = 0.f;		// ecart angulaire entre les parts
+	float InnerRadiusRatio = 0.f;		// 0 = full pie, >0 = donut
+	float StartAngleDegrees = 0.f;		// 0 = twelve o'clock, clockwise
+	float GapAngleDegrees = 0.f;		// angular gap between slices
 	EPSPieLabelType LabelType = EPSPieLabelType::NamePercent;
-	FString ValueSuffix;				// unite ajoutee aux valeurs (ex : " %")
+	FString ValueSuffix;				// unit appended to values (e.g. " %")
 };
 
-/** Parametres de l'axe des valeurs (histogramme / courbe). */
+/** Value axis parameters (bar / line chart). */
 struct FPSAxisParams
 {
 	bool bShowGrid = true;
@@ -114,18 +115,18 @@ struct FPSAxisParams
 	bool bIncludeZero = true;
 	float MinValue = 0.f;
 	float MaxValue = 100.f;
-	FString ValueSuffix;				// unite ajoutee aux valeurs de l'axe
+	FString ValueSuffix;				// unit appended to the axis tick values
 };
 
-/** Parametres specifiques a l'histogramme. */
+/** Bar chart specific parameters. */
 struct FPSBarParams
 {
-	float CategoryGapRatio = 0.25f;		// proportion vide entre les categories
-	float BarGapRatio = 0.1f;			// ecart entre les barres d'une meme categorie
+	float CategoryGapRatio = 0.25f;		// empty ratio between categories
+	float BarGapRatio = 0.1f;			// gap between bars of the same category
 	bool bShowValueLabels = false;
 };
 
-/** Parametres specifiques aux courbes. */
+/** Line chart specific parameters. */
 struct FPSLineParams
 {
 	float Thickness = 2.f;
@@ -137,9 +138,9 @@ struct FPSLineParams
 
 namespace PSCharts
 {
-	/** Palette par defaut (10 couleurs). */
+	/** Default palette (10 colors). */
 	PS_CHARTS_API const TArray<FLinearColor>& DefaultPalette();
 
-	/** Couleur effective d'une part / serie selon la palette. */
+	/** Effective color of a slice / series based on the palette. */
 	PS_CHARTS_API FLinearColor ResolveColor(int32 Index, const TArray<FLinearColor>& Palette, bool bUseCustom, const FLinearColor& Custom);
 }
diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSChartWidgetBase.h b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSChartWidgetBase.h
index 25410d3..f52a2f2 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSChartWidgetBase.h
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSChartWidgetBase.h
@@ -1,4 +1,5 @@
-// PS_Charts - base commune des widgets UMG
+// Copyright ASTERION VR. All Rights Reserved.
+// PS_Charts - shared base of the UMG chart widgets
 #pragma once
 
 #include "CoreMinimal.h"
@@ -6,7 +7,7 @@
 #include "PSChartTypes.h"
 #include "PSChartWidgetBase.generated.h"
 
-/** Base commune des graphiques UMG : titre, palette, legende, couleurs de texte. */
+/** Shared base of the UMG charts: title, palette, legend, text colors. */
 UCLASS(Abstract)
 class PS_CHARTS_API UPSChartWidgetBase : public UWidget
 {
@@ -15,7 +16,7 @@ class PS_CHARTS_API UPSChartWidgetBase : public UWidget
 public:
 	UPSChartWidgetBase();
 
-	/** Titre affiche en haut du graphique (vide = pas de titre). */
+	/** Title displayed at the top of the chart (empty = no title). */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Style")
 	FText Title;
 
@@ -25,29 +26,29 @@ public:
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Style", meta = (ClampMin = 6, ClampMax = 64))
 	float TitleFontSize = 16.f;
 
-	/** Couleur du texte (etiquettes, axes, legende). */
+	/** Text color (labels, axes, legend). */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Style")
 	FLinearColor TextColor = FLinearColor(0.9f, 0.9f, 0.9f);
 
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Style", meta = (ClampMin = 6, ClampMax = 32))
 	float FontSize = 11.f;
 
-	/** Couleurs attribuees automatiquement aux parts / series. */
+	/** Colors automatically assigned to slices / series. */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Style")
 	TArray<FLinearColor> Palette;
 
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Style")
 	EPSChartLegendPosition LegendPosition = EPSChartLegendPosition::Bottom;
 
-	/** Couleur de fond (transparent par defaut). */
+	/** Background color (transparent by default). */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Style")
 	FLinearColor BackgroundColor = FLinearColor::Transparent;
 
-	/** Change le titre du graphique. */
+	/** Changes the chart title. */
 	UFUNCTION(BlueprintCallable, Category = "ASTERION|PS_Charts|Style")
 	void SetChartTitle(FText InTitle);
 
-	/** Repousse toutes les proprietes vers le rendu (a appeler apres modification directe des proprietes en Blueprint). */
+	/** Pushes every property back to the rendering (call after editing properties directly in Blueprint). */
 	UFUNCTION(BlueprintCallable, Category = "ASTERION|PS_Charts|Style")
 	void Refresh();
 
@@ -58,7 +59,7 @@ public:
 #endif
 
 protected:
-	/** Pousse toutes les proprietes vers le widget Slate. */
+	/** Pushes every property to the Slate widget. */
 	virtual void ApplyToSlate() {}
 
 	FPSChartCommonParams MakeCommonParams() const;
diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSLineChart.h b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSLineChart.h
index e861ad8..42e3a46 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSLineChart.h
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSLineChart.h
@@ -1,4 +1,5 @@
-// PS_Charts - widget UMG courbes
+// Copyright ASTERION VR. All Rights Reserved.
+// PS_Charts - UMG line chart widget
 #pragma once
 
 #include "CoreMinimal.h"
@@ -7,7 +8,7 @@
 
 class SPSLineChart;
 
-/** Graphique en courbes natif (UMG), multi-series. */
+/** Native line chart (UMG), multi-series. */
 UCLASS(meta = (DisplayName = "PS Line Chart"))
 class PS_CHARTS_API UPSLineChart : public UPSCartesianChartBase
 {
@@ -16,22 +17,22 @@ class PS_CHARTS_API UPSLineChart : public UPSCartesianChartBase
 public:
 	UPSLineChart();
 
-	/** Epaisseur des courbes. */
+	/** Line thickness. */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Line", meta = (ClampMin = 0.5, ClampMax = 16))
 	float Thickness = 2.f;
 
-	/** Affiche un point a chaque valeur. */
+	/** Displays a marker at each value. */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Line")
 	bool bShowPoints = true;
 
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Line", meta = (ClampMin = 1, ClampMax = 16, EditCondition = "bShowPoints"))
 	float PointRadius = 3.5f;
 
-	/** Lisse les courbes (interpolation Catmull-Rom). */
+	/** Smooths the lines (Catmull-Rom interpolation). */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Line")
 	bool bSmooth = false;
 
-	/** Affiche la valeur au-dessus de chaque point. */
+	/** Displays the value above each point. */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Line")
 	bool bShowValueLabels = false;
 
diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSPieChart.h b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSPieChart.h
index 19c78aa..a0fa2a2 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSPieChart.h
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/PSPieChart.h
@@ -1,4 +1,5 @@
-// PS_Charts - widget UMG camembert
+// Copyright ASTERION VR. All Rights Reserved.
+// PS_Charts - UMG pie chart widget
 #pragma once
 
 #include "CoreMinimal.h"
@@ -7,7 +8,7 @@
 
 class SPSPieChart;
 
-/** Camembert / donut natif (UMG). */
+/** Native pie / donut chart (UMG). */
 UCLASS(meta = (DisplayName = "PS Pie Chart"))
 class PS_CHARTS_API UPSPieChart : public UPSChartWidgetBase
 {
@@ -16,43 +17,43 @@ class PS_CHARTS_API UPSPieChart : public UPSChartWidgetBase
 public:
 	UPSPieChart();
 
-	/** Parts du camembert. */
+	/** Pie slices. */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Data")
 	TArray<FPSPieSlice> Slices;
 
-	/** 0 = camembert plein, >0 = donut. */
+	/** 0 = full pie, >0 = donut. */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Pie", meta = (ClampMin = 0.0, ClampMax = 0.9))
 	float InnerRadiusRatio = 0.f;
 
-	/** Angle de depart en degres (0 = midi, sens horaire). */
+	/** Start angle in degrees (0 = twelve o'clock, clockwise). */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Pie")
 	float StartAngleDegrees = 0.f;
 
-	/** Ecart angulaire entre les parts, en degres. */
+	/** Angular gap between slices, in degrees. */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Pie", meta = (ClampMin = 0, ClampMax = 20))
 	float GapAngleDegrees = 0.f;
 
-	/** Contenu des etiquettes autour du camembert. */
+	/** Content of the labels around the pie. */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Pie")
 	EPSPieLabelType LabelType = EPSPieLabelType::NamePercent;
 
-	/** Unite ajoutee aux valeurs (ex : " %"). */
+	/** Unit appended to values (e.g. " %"). */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Chart|Pie")
 	FString ValueSuffix;
 
-	/** Remplace toutes les parts. */
+	/** Replaces every slice. */
 	UFUNCTION(BlueprintCallable, Category = "ASTERION|PS_Charts|Data")
 	void SetSlices(const TArray<FPSPieSlice>& InSlices);
 
-	/** Remplace les parts a partir d'une map libelle -> valeur (couleurs automatiques). */
+	/** Replaces the slices from a label -> value map (automatic colors). */
 	UFUNCTION(BlueprintCallable, Category = "ASTERION|PS_Charts|Data")
 	void SetValues(const TMap<FString, float>& InValues);
 
-	/** Met a jour la valeur d'une part (la cree si absente). */
+	/** Updates the value of one slice (creates it when missing). */
 	UFUNCTION(BlueprintCallable, Category = "ASTERION|PS_Charts|Data")
 	void SetSliceValue(const FString& InLabel, float InValue);
 
-	/** Supprime toutes les parts. */
+	/** Removes every slice. */
 	UFUNCTION(BlueprintCallable, Category = "ASTERION|PS_Charts|Data")
 	void ClearData();
 
diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/SPSBarChart.h b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/SPSBarChart.h
index 2dc6d8b..d5f650e 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/SPSBarChart.h
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/SPSBarChart.h
@@ -1,11 +1,12 @@
-// PS_Charts - histogramme Slate natif
+// Copyright ASTERION VR. All Rights Reserved.
+// PS_Charts - native Slate bar chart
 #pragma once
 
 #include "CoreMinimal.h"
 #include "Widgets/SLeafWidget.h"
 #include "PSChartTypes.h"
 
-/** Histogramme (barres verticales groupees) dessine entierement en Slate. */
+/** Bar chart (grouped vertical bars) drawn entirely with Slate. */
 class PS_CHARTS_API SPSBarChart : public SLeafWidget
 {
 public:
diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/SPSLineChart.h b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/SPSLineChart.h
index a0f866a..1762896 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/SPSLineChart.h
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/SPSLineChart.h
@@ -1,11 +1,12 @@
-// PS_Charts - courbes Slate natives
+// Copyright ASTERION VR. All Rights Reserved.
+// PS_Charts - native Slate line chart
 #pragma once
 
 #include "CoreMinimal.h"
 #include "Widgets/SLeafWidget.h"
 #include "PSChartTypes.h"
 
-/** Graphique en courbes (multi-series) dessine entierement en Slate. */
+/** Line chart (multi-series) drawn entirely with Slate. */
 class PS_CHARTS_API SPSLineChart : public SLeafWidget
 {
 public:
diff --git a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/SPSPieChart.h b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/SPSPieChart.h
index f2a2f62..d3ae27f 100644
--- a/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/SPSPieChart.h
+++ b/Unreal/PS_Chart/Plugins/PS_Charts/Source/PS_Charts/Public/SPSPieChart.h
@@ -1,11 +1,12 @@
-// PS_Charts - camembert Slate natif
+// Copyright ASTERION VR. All Rights Reserved.
+// PS_Charts - native Slate pie chart
 #pragma once
 
 #include "CoreMinimal.h"
 #include "Widgets/SLeafWidget.h"
 #include "PSChartTypes.h"
 
-/** Camembert / donut dessine entierement en Slate (aucune texture ni navigateur). */
+/** Pie / donut chart drawn entirely with Slate (no texture, no web browser). */
 class PS_CHARTS_API SPSPieChart : public SLeafWidget
 {
 public: