git(1): show link to contributor summary page

diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index cf4b21659890ba4babb8bcc07a7c0e84a03b6adb..f4f7e250c53c8fc51e17d5643b5b3b93d4036efc 100644 (file)
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -170,7 +170,8 @@ any of those replacements occurred.
        the commits in the range like linkgit:git-submodule[1] `summary` does.
        Omitting the `--submodule` option or specifying `--submodule=short`,
        uses the 'short' format. This format just shows the names of the commits
-       at the beginning and end of the range.
+       at the beginning and end of the range.  Can be tweaked via the
+       `diff.submodule` configuration variable.
 
 --color[=<when>]::
        Show colored diff.