diff --git a/gamecore/modules/menusystem/flowbox.lua b/gamecore/modules/menusystem/flowbox.lua
index 10466fd..c3d9426 100644
--- a/gamecore/modules/menusystem/flowbox.lua
+++ b/gamecore/modules/menusystem/flowbox.lua
@@ -45,14 +45,14 @@ function FlowBox:new(menusystem, name, x, y, w, h, slots_hor, slots_vert)
   -- soit un multiple du nombre de slot et de leur dimensions
 end
 
+-- UPDATE FUNCTIONS
+-- Update the menu and its view
+
 function FlowBox:updateWidgetSize()
   self.widget.h = math.floor( self.h / self.view.lineNumber )
   self.widget.w = math.floor( self.w / self.view.colNumber )
 end
 
--- UPDATE FUNCTIONS
--- Update the menu and its view
-
 function FlowBox:update(dt)
   self:updateView()
 end
@@ -76,6 +76,9 @@ function FlowBox:updateView()
   self.view.firstSlot = beginline * self.view.colNumber + 1
 end
 
+-- INFO FUNCTIONS
+-- Get informations
+
 function FlowBox:getCoord(id_selected)
   id_selected = id_selected - 1 -- On simplifie les calcul en prenant 0 comme départ
   local line, col
@@ -84,6 +87,9 @@ function FlowBox:getCoord(id_selected)
   return col, line
 end
 
+-- CURSOR FUNCTIONS
+-- Handle the cursor in a 2D menu
+
 function FlowBox:moveCursor(new_col, new_line)
   local col, line = self:getCoord(self.widget.selected)
   local lastcol, lastline = self:getCoord(#self.widget.list)
@@ -122,6 +128,9 @@ function FlowBox:moveCursor(new_col, new_line)
   self.widget.selected = (new_line * self.view.colNumber) + new_col + 1
 end
 
+-- KEYS FUNCTIONS
+-- Handle the keyboard/controller inputs
+
 function FlowBox:keyreleased(key, code)
   local col, line = self:getCoord(self.widget.selected)
   if key == 'left' then
@@ -147,6 +156,9 @@ function FlowBox:keyreleased(key, code)
   end
 end
 
+-- MOUSE FUNCTIONS
+-- Handle the mouse/touch pointer
+
 function FlowBox:mousemoved(x, y)
   local col, line = self:getCoord(self.widget.selected)
   local begincol, beginline = self:getCoord(self.view.firstSlot)
diff --git a/gamecore/modules/menusystem/init.lua b/gamecore/modules/menusystem/init.lua
index 206968c..ad33995 100644
--- a/gamecore/modules/menusystem/init.lua
+++ b/gamecore/modules/menusystem/init.lua
@@ -36,9 +36,6 @@ MenuSystem.TextMenu     = require(cwd .. "textmenu")
 -- load widgets object
 MenuSystem.Widget       = require(cwd .. "widgets")
 
-
---local VirtualPad = require "modules.virtualpad"
-
 -- INIT FUNCTIONS
 -- Initialize and configure the menu controller
 
@@ -62,29 +59,6 @@ function MenuSystem:menuExist(name)
   return (self.menus[name] ~= nil)
 end
 
--- UPDATE FUNCTIONS
--- Update the menus of the menusystem
-
-function MenuSystem:update(dt)
-  self:removeDestroyedMenus()
-  for k,v in pairs(self.menus) do
-    v:update(dt)
-    v:updateWidgets(dt)
-  end
-
-  if self.menus[self.focusedMenu] ~= nil then
-    -- Only check buttons if the current focused menu is actually active
-    if self.menus[self.focusedMenu].isActive then
-      for k,v in pairs(self.keys) do
-        if self.keys[k].isPressed then
-          self.menus[self.focusedMenu]:keyreleased(k)
-        end
-      end
-    end
-  end
-
-end
-
 function MenuSystem:switchMenu(menu)
   for k,v in pairs(self.menus) do
     if k == menu then
@@ -151,6 +125,29 @@ function MenuSystem:removeDestroyedMenus()
   end
 end
 
+-- UPDATE FUNCTIONS
+-- Update the menus of the menusystem
+
+function MenuSystem:update(dt)
+  self:removeDestroyedMenus()
+  for k,v in pairs(self.menus) do
+    v:update(dt)
+    v:updateWidgets(dt)
+  end
+
+  if self.menus[self.focusedMenu] ~= nil then
+    -- Only check buttons if the current focused menu is actually active
+    if self.menus[self.focusedMenu].isActive then
+      for k,v in pairs(self.keys) do
+        if self.keys[k].isPressed then
+          self.menus[self.focusedMenu]:keyreleased(k)
+        end
+      end
+    end
+  end
+
+end
+
 function MenuSystem:keyreleased(key, code)
   -- TODO:depreciated function
 end
diff --git a/gamecore/modules/menusystem/parent.lua b/gamecore/modules/menusystem/parent.lua
index 913ff63..79e64b2 100644
--- a/gamecore/modules/menusystem/parent.lua
+++ b/gamecore/modules/menusystem/parent.lua
@@ -121,13 +121,6 @@ function Menu:cancelAction()
   end
 end
 
--- UPDATE FUNCTIONS
--- Update the menu every game update
-
-function Menu:update(dt)
-  -- Cette fonction ne contient rien par défaut
-end
-
 function Menu:clear()
   self.widget.list = {}
   self.widget.cancel = 0
@@ -146,6 +139,13 @@ function Menu:destroy()
   self.destroyed = true
 end
 
+-- UPDATE FUNCTIONS
+-- Update the menu every game update
+
+function Menu:update(dt)
+  -- Cette fonction ne contient rien par défaut
+end
+
 -- DRAW FUNCTIONS
 -- Draw the menu and its content