External Links incorrect

[MggMuggins]

This markdown:

# Related documents
- Reference: [Information about Launchpad PPAs](https://help.launchpad.net/Packaging/PPA)
- Reference: [Ubuntu Stable Release Update process](https://documentation.ubuntu.com/sru/en/latest/)
- Reference: [Ubuntu and Openstack release information](https://ubuntu.com/about/release-cycle) (including cloud archives)
- Reference: [Canonical Support Engineering Launchpad team](https://launchpad.net/~canonical-support-eng/)
- Reference: [Ubuntu Pro Description](https://ubuntu.com/legal/ubuntu-pro-description) (see section 13)

produces this HTML:

<ul style="list-style-type:disc;margin-left:20px;">
<li>Reference: <a href="Information about Launchpad PPAs">Information about Launchpad PPAs</a></li>
<li>Reference: <a href="Ubuntu Stable Release Update process">Ubuntu Stable Release Update process</a></li>
<li>Reference: <a href="Ubuntu and Openstack release information">Ubuntu and Openstack release information</a> (including cloud archives)</li>
<li>Reference: <a href="Canonical Support Engineering Launchpad team">Canonical Support Engineering Launchpad team</a></li>
<li>Reference: <a href="Ubuntu Pro Description">Ubuntu Pro Description</a> (see section 13)</li>
</ul>