git-p4: Unset P4DIFF environment variable when using 'p4 -du diff'

diff --git a/Documentation/git-merge-index.txt b/Documentation/git-merge-index.txt
index 5d816d0d8b02222517cd4bf320dc3d345fb8d94b..19ee017aede4bf8fa0a0046b2bf347e3d75c4a12 100644 (file)
--- a/Documentation/git-merge-index.txt
+++ b/Documentation/git-merge-index.txt
@@ -8,7 +8,7 @@ git-merge-index - Run a merge for files needing merging
 
 SYNOPSIS
 --------
-'git-merge-index' [-o] [-q] <merge-program> (-a | \-- | <file>\*)
+'git-merge-index' [-o] [-q] <merge-program> (-a | [--] <file>\*)
 
 DESCRIPTION
 -----------