commit-tree: document -S option consistently

diff --git a/Documentation/git-commit-tree.txt b/Documentation/git-commit-tree.txt
index 86ef56e7c8760d622848da4131ebf231d27eb873..cafdc9642d312776b0122c4d010a9e9246bad8ff 100644 (file)
--- a/Documentation/git-commit-tree.txt
+++ b/Documentation/git-commit-tree.txt
@@ -10,7 +10,9 @@ SYNOPSIS
 --------
 [verse]
 'git commit-tree' <tree> [(-p <parent>)...] < changelog
-'git commit-tree' [(-p <parent>)...] [(-m <message>)...] [(-F <file>)...] <tree>
+'git commit-tree' [(-p <parent>)...] [-S[<keyid>]] [(-m <message>)...]
+                 [(-F <file>)...] <tree>
+
 
 DESCRIPTION
 -----------
@@ -52,6 +54,9 @@ OPTIONS
        Read the commit log message from the given file. Use `-` to read
        from the standard input.
 
+-S[<keyid>]::
+       GPG-sign commit.
+
 
 Commit Information
 ------------------