diff --git a/Documentation/git-commit.txt b/Documentation/git-commit.txt
index 13f653989f..a3baea32ae 100644
--- a/Documentation/git-commit.txt
+++ b/Documentation/git-commit.txt
@@ -348,13 +348,12 @@ changes to tracked files.
 
 -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.
-
---no-gpg-sign::
-	Countermand `commit.gpgSign` configuration variable that is
-	set to force each and every commit to be signed.
+	stuck to the option without a space. `--no-gpg-sign` is useful to
+	countermand both `commit.gpgSign` configuration variable, and
+	earlier `--gpg-sign`.
 
 \--::
 	Do not interpret any more arguments as options.