README: update stale and/or incorrect information

diff --git a/Documentation/git-commit.txt b/Documentation/git-commit.txt
index 19cbb9098ff53cd7160d18faf9ac2cd2f56dcb1c..7bdb039d5ee9c6ed6c19c70173c733860de2d5b7 100644 (file)
--- a/Documentation/git-commit.txt
+++ b/Documentation/git-commit.txt
@@ -109,6 +109,10 @@ OPTIONS
        format. See linkgit:git-status[1] for details. Implies
        `--dry-run`.
 
+--long::
+       When doing a dry-run, give the output in a the long-format.
+       Implies `--dry-run`.
+
 -z::
 --null::
        When showing `short` or `porcelain` status output, terminate