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-rw-r--r--Documentation/diff-options.txt3
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index 1fb6f2d4e9..39f2c5074c 100644
--- 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.