Comment 2 for bug 905231

Reviewed: https://review.openstack.org/2885
Committed: http://github.com/openstack/horizon/commit/993cc3bcd8e47a823733af5756fcb0f42cc4c703
Submitter: Jenkins
Branch: master

commit 993cc3bcd8e47a823733af5756fcb0f42cc4c703
Author: Gabriel Hurley <email address hidden>
Date: Fri Jan 6 12:56:27 2012 -0800

    Fixed some questionable grammar in an error message.

    Fixes bug 905231.

    Change-Id: Ifd08c11919c0cbf8ce94be9012d6724b820d866c