Marking as fix commited, the dialog has been remade, and help strings have been discussed on the ubuntu-desktop list.
** Changed in: gnome-session (Ubuntu) Status: Needs Info => Fix Committed -- Log out/hibernate dialog should display tooltips and they should have correct grammar. https://launchpad.net/bugs/30464 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs