(There might be a more appropriate place to send this note, such as a launchpad project or an email.address@openstack.org, but I could not find it. I trust that someone here can direct this to the right person!)
In reading the OpenStack trademark policy [1], there are three occurrences of the phrase "shown immediately below" which imply that logos are intended to be included within the document, but no logos are included at all (or attempted to be included, according to the HTML source).