Merge branch 'ab/push-example-in-doc'

An error message that sugggests how to give correct arguments to
"git push" has been updated.

* ab/push-example-in-doc:
  push: change needlessly ambiguous example in error
diff --git a/builtin/push.c b/builtin/push.c
index d09a420..8bb8a08 100644
--- a/builtin/push.c
+++ b/builtin/push.c
@@ -173,10 +173,10 @@
 	      "\n"
 	      "To push to the branch of the same name on the remote, use\n"
 	      "\n"
-	      "    git push %s %s\n"
+	      "    git push %s HEAD\n"
 	      "%s"),
 	    remote->name, short_upstream,
-	    remote->name, branch->name, advice_maybe);
+	    remote->name, advice_maybe);
 }
 
 static const char message_detached_head_die[] =