user-manual: use pithier example commit

diff --git a/Documentation/git-diff.txt b/Documentation/git-diff.txt
index 12a531d1e9e4a7382f017ac303203e20abf47f2f..044cee9b425bedc7addd9a4418b553557902711b 100644 (file)
--- a/Documentation/git-diff.txt
+++ b/Documentation/git-diff.txt
@@ -8,7 +8,7 @@ git-diff - Show changes between commits, commit and working tree, etc
 
 SYNOPSIS
 --------
-'git-diff' [ --diff-options ] <commit>{0,2} [--] [<path>...]
+'git-diff' [<common diff options>] <commit>{0,2} [--] [<path>...]
 
 DESCRIPTION
 -----------