git-commit doc: describe use of multiple `-m` options

The text is copied from Documentation/git-tag.txt.

Signed-off-by: Christian Helmuth <christian.helmuth@genode-labs.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/git-commit.txt b/Documentation/git-commit.txt
index 7bdb039..2105638 100644 (file)
--- a/Documentation/git-commit.txt
+++ b/Documentation/git-commit.txt
@@ -137,6 +137,8 @@ OPTIONS
 -m <msg>::
 --message=<msg>::
        Use the given <msg> as the commit message.
+       If multiple `-m` options are given, their values are
+       concatenated as separate paragraphs.
 
 -t <file>::
 --template=<file>::