Documentation: add shell guidelines

diff --git a/Documentation/git-branch.txt b/Documentation/git-branch.txt
index 73ca0532ead4403ec03550639a48f0bf3fcc48c5..bf5316ffa929a88aa98f5b3c7a892ee43638a098 100644 (file)
--- a/Documentation/git-branch.txt
+++ b/Documentation/git-branch.txt
@@ -263,10 +263,11 @@ start-point is either a local or remote-tracking branch.
        order of the value. You may use the --sort=<key> option
        multiple times, in which case the last key becomes the primary
        key. The keys supported are the same as those in `git
-       for-each-ref`. Sort order defaults to sorting based on the
+       for-each-ref`. Sort order defaults to the value configured for the
+       `branch.sort` variable if exists, or to sorting based on the
        full refname (including `refs/...` prefix). This lists
        detached HEAD (if present) first, then local branches and
-       finally remote-tracking branches.
+       finally remote-tracking branches. See linkgit:git-config[1].
 
 
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