completion: complete refs for "git commit -c"

diff --git a/Documentation/git.txt b/Documentation/git.txt
index 25e2f3a60e6e608f866e8be8cce3e500f907c605..1d797f27ed7682cf7308949b99d4bc27f9767f1a 100644 (file)
--- a/Documentation/git.txt
+++ b/Documentation/git.txt
@@ -650,6 +650,7 @@ git so take care if using Cogito etc.
        If the 'GIT_DIR' environment variable is set then it
        specifies a path to use instead of the default `.git`
        for the base of the repository.
+       The '--git-dir' command-line option also sets this value.
 
 'GIT_WORK_TREE'::
        Set the path to the working tree.  The value will not be