diff --git a/src/game_tab/left_panel/board/BoardCanvas.cpp b/src/game_tab/left_panel/board/BoardCanvas.cpp
index 9eb54ee..aab3c45 100644
--- a/src/game_tab/left_panel/board/BoardCanvas.cpp
+++ b/src/game_tab/left_panel/board/BoardCanvas.cpp
@@ -17,9 +17,9 @@ BoardCanvas::BoardCanvas(wxFrame *parent)
   valid_drag = false;
   valid_arrow = false;
   // Init animation data
-  adata.duration=200;
-  adata.duration_fast=80;
-  adata.fps=30;
+  adata.duration=100;
+  adata.duration_fast=100;
+  adata.fps=60;
   adata.buffer=new wxBitmap(500,500,32);
   adata.animate=false;
   // Init game state
@@ -186,8 +186,8 @@ void BoardCanvas::Animate(const GameState &new_gs, const std::string &src, const
   for(int i=adata.frames;i>0;i--){
     Refresh();
     Update();
-    int delay=sw.Time()-frame_duration;
-    if(delay>5){ // 5ms tolerance
+    int delay=frame_duration-sw.Time();
+    if(delay>1){ // 1ms tolerance (max drift of fps each second that is fps*tolerance)
       wxMilliSleep(delay);
     }
     sw.Start(0);
diff --git a/src/game_tab/left_panel/board/BoardCanvas.hpp b/src/game_tab/left_panel/board/BoardCanvas.hpp
index 0576f1d..24c469c 100644
--- a/src/game_tab/left_panel/board/BoardCanvas.hpp
+++ b/src/game_tab/left_panel/board/BoardCanvas.hpp
@@ -103,13 +103,18 @@ public:
   BoardCanvas(wxFrame *parent,std::uint32_t square_width, bool frozen);
   ~BoardCanvas();
   void ApplyPreferences();
+  /// @brief Draw current state of the board (GameState) on the given wxDC
   void DrawBoard(wxDC &dc);
   void OnPaint(wxPaintEvent &event);
   void MouseEvent(wxMouseEvent &event);
+  /// @brief Zomm in/out on the canvas
   void Zoom(std::int32_t zoom);
+  /// @brief Change between black side and white side
   void Swap();
-  void OnResize(wxSizeEvent &e);
+  /// @brief Display a position on the canvas
   void SetupBoard(const GameState &new_gs);
+  /// @brief Animate a piece front src to dst from current position
   void Animate(const GameState &new_gs, const std::string &src, const std::string &dst,bool faster);
+  /// @brief Setup clock on displayed on the canvas
   void SetClockTime(short hours, short min, short sec, bool IsBlack);
 };