diff --git a/runtime/doc/gui_mac.txt b/runtime/doc/gui_mac.txt
index fbf8fc330e..89f16785ea 100644
--- a/runtime/doc/gui_mac.txt
+++ b/runtime/doc/gui_mac.txt
@@ -242,6 +242,7 @@ MMLoginShellArgument		login shell parameter [string]
 MMLoginShellCommand		which shell to use to launch Vim [string]
 MMNoFontSubstitution		disable automatic font substitution [bool]
 MMNoTitleBarWindow		hide title bar [bool]
+MMShareFindPboard		share search text to Find Pasteboard [bool]
 MMShowAddTabButton		enable "add tab" button on tabline [bool]
 MMTabMaxWidth			maximum width of a tab [int]
 MMTabMinWidth			minimum width of a tab [int]