Documentation: git-status takes the same options as git-commit

Signed-off-by: Junio C Hamano <junkio@cox.net>

Documentation/git-status.txt

@@ -8,7 +8,7 @@ git-status - Show working tree status
 
 SYNOPSIS
 --------
-'git-status'
+'git-status' <options>...
 
 DESCRIPTION
 -----------
@@ -23,6 +23,10 @@ If there is no path that is different between the index file and
 the current HEAD commit, the command exits with non-zero
 status.
 
+The command takes the same set of options as `git-commit`; it
+shows what would be committed if the same options are given to
+`git-commit`.
+
 
 OUTPUT
 ------