diff --git a/Documentation/git-stripspace.txt b/Documentation/git-stripspace.txt
index c87bfcb674..6c6e989074 100644
--- a/Documentation/git-stripspace.txt
+++ b/Documentation/git-stripspace.txt
@@ -10,6 +10,7 @@ SYNOPSIS
 --------
 [verse]
 'git stripspace' [-s | --strip-comments] < input
+'git stripspace' [-c | --comment-lines] < input
 
 DESCRIPTION
 -----------