X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=Documentation%2Fdiff-format.txt;h=97756ec03086614051d5780b00825e24ee5ef56f;hb=024510c8d947be6ae4765840e21a89d5a21271c4;hp=b426a14f5e5fa29bfdb8f026d995dc182930073d;hpb=5f3aa197ac03eabbc45046cd3b9dbcfbda0426d9;p=git.git

diff --git a/Documentation/diff-format.txt b/Documentation/diff-format.txt
index b426a14f..97756ec0 100644
--- a/Documentation/diff-format.txt
+++ b/Documentation/diff-format.txt
@@ -81,7 +81,7 @@ The "diff" formatting options can be customized via the
 environment variable 'GIT_DIFF_OPTS'.  For example, if you
 prefer context diff:
 
-      GIT_DIFF_OPTS=-c git-diff-index -p $(cat .git/HEAD)
+      GIT_DIFF_OPTS=-c git-diff-index -p HEAD
 
 
 2. When the environment variable 'GIT_EXTERNAL_DIFF' is set, the