Merge branch 'maint'

* maint:
  Documentation: Clarify '--signoff' for git-commit

Documentation/git-commit.txt

@@ -94,7 +94,8 @@ OPTIONS
 
 -s::
 --signoff::
-	Add Signed-off-by line at the end of the commit message.
+	Add Signed-off-by line by the commiter at the end of the commit
+	log message.
 
 -n::
 --no-verify::