Links to README and THANKS are dead
At https://gajim.org/docs.php in the "Under GNU/Linux" section, the README-link is missing the file extension README .md, which causes a 404. It should be
Edit: Same at https://gajim.org/downloads.php#source
Also, at https://gajim.org/dev.php in the "Authors" section, the THANKS-link
https://dev.gajim.org/gajim/gajim/blob/master/THANKS is pointing to nowhere. I guess, the AUTHORS file would be the appropriate substitute, but that file is empty at the moment.