diff --git a/src/lang/english_US.txt b/src/lang/english_US.txt
--- a/src/lang/english_US.txt
+++ b/src/lang/english_US.txt
@@ -1618,6 +1618,7 @@ STR_CONFIG_SETTING_RIGHT_MOUSE_BTN_EMU_O
 
 STR_CONFIG_SETTING_RIGHT_MOUSE_WND_CLOSE                        :Close window on right-click: {STRING}
 STR_CONFIG_SETTING_RIGHT_MOUSE_WND_CLOSE_HELPTEXT               :Closes a window by right-clicking inside it. Disables the tooltip on right-click!
+###length 3
 
 STR_CONFIG_SETTING_AUTOSAVE                                     :Autosave: {STRING}
 STR_CONFIG_SETTING_AUTOSAVE_HELPTEXT                            :Select interval between automatic game saves