(set-mark-command-repeat-pop): Doc fix.

diff --git a/lisp/simple.el b/lisp/simple.el
index df983a6e23c27ca997a94e9e49dedba5bb46ff7e..7faa05476876fb27646532f6d8bf8c74de5e88bd 100644 (file)
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -3204,7 +3204,7 @@ will pop the mark twice, and
 C-u \\[set-mark-command] \\[set-mark-command] \\[set-mark-command]
 will pop the mark three times.
 
-nil means \\[set-mark-command]'s behavior does not change
+A value of nil means \\[set-mark-command]'s behavior does not change
 after C-u \\[set-mark-command]."
   :type 'boolean
   :group 'editing-basics)