Document a bit of script menu and battle anims

include/script_menu.h

@@ -11,7 +11,7 @@ bool8 ScriptMenu_ShowPokemonPic(u16 var1, u8 var2, u8 var3);
 bool8 (*ScriptMenu_GetPicboxWaitFunc(void))(void);
 int convert_pixel_width_to_tile_width(int);
 u8 CreateWindowFromRect(u8, u8, u8, u8);
-void sub_80E2A78(u8);
+void ClearToTransparentAndRemoveWindow(u8);
 int display_text_and_get_width(const u8*, int);
 int sub_80E2D5C(int arg0, int tileWidth);
 bool16 ScrSpecial_CreatePCMenu(void);