s/Key//

Author: splhack

runtime/doc/gui_mac.txt

@@ -259,7 +259,7 @@ MMDialogsTrackPwd		open/save dialogs track the Vim pwd [bool]
 MMLoginShellArgument		login shell parameter [string]
 MMLoginShellCommand		which shell to use to launch Vim [string]
 MMNoFontSubstitution		disable automatic font substitution [bool]
-MMNoTitleBarWindowKey		hide title bar [bool]
+MMNoTitleBarWindow		hide title bar [bool]
 MMShowAddTabButton		enable "add tab" button on tabline [bool]
 MMTabMaxWidth			maximum width of a tab [int]
 MMTabMinWidth			minimum width of a tab [int]