Steps to reproduce the issue

Edit the administrator language file en-GB.plg_content_contact.ini at staging branch
Search the key PLG_CONTENT_CONTACT_PARAM_URL_DESCRIPTION
The actual string is:

You can link the author name to:<ul><li>Associated contact page.<li>Webpage specified in the associated contact profile.<li>Email specified in the associated contact profile.</ul>

Expected result

Good HTML format

Actual result

Bad HTML format due now is not closing the "li" tags

System information (as much as possible)

Additional comments

Here is solved:

You can link the author name to:<ul><li>Associated contact page.</li><li>Webpage specified in the associated contact profile.</li><li>Email specified in the associated contact profile.</li></ul>

Regards, Valc.