Documentation: document am --no-gpg-sign

Signed-off-by: Đoàn Trần Công Danh <congdanhqx@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/git-am.txt b/Documentation/git-am.txt
index ab5754e05d16d70b79cf90437bc999628aa99151..38c0852139c17077aacb6bc43fcf8102cc6570f4 100644 (file)
--- a/Documentation/git-am.txt
+++ b/Documentation/git-am.txt
@@ -148,9 +148,12 @@ default.   You can use `--no-utf8` to override this.
 
 -S[<keyid>]::
 --gpg-sign[=<keyid>]::
+--no-gpg-sign::
        GPG-sign commits. The `keyid` argument is optional and
        defaults to the committer identity; if specified, it must be
-       stuck to the option without a space.
+       stuck to the option without a space. `--no-gpg-sign` is useful to
+       countermand both `commit.gpgSign` configuration variable, and
+       earlier `--gpg-sign`.
 
 --continue::
 -r::