Fix config menu button options

retroarch.cfg

@@ -476,13 +476,13 @@
 # input_player1_r3_btn =
 
 # Menu buttons.
-# menu_ok_btn      =
-# menu_cancel_btn  =
-# menu_search      =
-# menu_info        =
-# menu_default     =
-# menu_scroll_down =
-# menu_scroll_up   =
+# menu_ok_btn          =
+# menu_cancel_btn      =
+# menu_search_btn      =
+# menu_info_btn        =
+# menu_default_btn     =
+# menu_scroll_down_btn =
+# menu_scroll_up_btn   =
 
 # Axis for RetroArch D-Pad. 
 # Needs to be either '+' or '-' in the first character signaling either positive or negative direction of the axis, then the axis number. 
@@ -766,4 +766,3 @@
 # network_cmd_enable = false
 # network_cmd_port = 55355
 # stdin_cmd_enable = false
-