fix extension in docs

README.BBCode

@@ -102,12 +102,12 @@ Creates a screen overlay from a textbox with a fancy string using a 9-piece
 
 
 [font=Courier New][b]Button.Fancify[/b][/font]
-[code]void Button.Fancify(this Button*, Fancy9Piece* normal, Fancy9Piece* mouse_over = 0, Fancy9Piece* pushed = 0);[/code]
+[code]void Button.Fancify(Fancy9Piece* normal, Fancy9Piece* mouse_over = 0, Fancy9Piece* pushed = 0);[/code]
 Sets a button NormalGraphic and additional sprites from it's text, assumed as fancy string, and 9-piece.
 
 [font=Courier New][b]Button.UnFancify[/b][/font]
-[code]void Button.UnFancify(this Button*);[/code]
-Removes fancyness from button (clears any altered sprites).
+[code]void Button.UnFancify();[/code]
+Removes fancyness from button (clear any altered sprites)
 
 
 [size=12pt][b]Fancy[/b][/size]