submodule.c: report the submodule that an error occurs in

diff --git a/Documentation/git-show.txt b/Documentation/git-show.txt
index 82a4125a2da805e0b3c21e4e827bf203d5ac4532..e73ef540176b65f6c049a3b5fcfd7e8faa6a6b58 100644 (file)
--- a/Documentation/git-show.txt
+++ b/Documentation/git-show.txt
@@ -9,7 +9,7 @@ git-show - Show various types of objects
 SYNOPSIS
 --------
 [verse]
-'git show' [options] <object>...
+'git show' [options] [<object>...]
 
 DESCRIPTION
 -----------
@@ -35,7 +35,7 @@ This manual page describes only the most frequently used options.
 OPTIONS
 -------
 <object>...::
-       The names of objects to show.
+       The names of objects to show (defaults to 'HEAD').
        For a more complete list of ways to spell object names, see
        "SPECIFYING REVISIONS" section in linkgit:gitrevisions[7].