t/t5100/patch0009

   1 diff --git a/Documentation/diff-format.txt b/Documentation/diff-format.txt
   2 index b426a14..97756ec 100644
   3 --- a/Documentation/diff-format.txt
   4 +++ b/Documentation/diff-format.txt
   5 @@ -81,7 +81,7 @@ The "diff" formatting options can be customized via the
   6  environment variable 'GIT_DIFF_OPTS'.  For example, if you
   7  prefer context diff:
   8
   9 -      GIT_DIFF_OPTS=-c git-diff-index -p $(cat .git/HEAD)
  10 +      GIT_DIFF_OPTS=-c git-diff-index -p HEAD
  11
  12
  13  2. When the environment variable 'GIT_EXTERNAL_DIFF' is set, the