If you need help to use PeerTube, you can have a look at the <x id="START_LINK" ctype="x-a" equiv-text="<a href="https://docs.joinpeertube.org/use-setup-account" target="_blank" rel="noopener noreferrer">"/>documentation<x id="CLOSE_LINK" ctype="x-a" equiv-text="</a>"/>.
This is just an extra information injected in PeerTube HTML that is required by Twitter/X. If you don't have a Twitter/X account, just leave the default value.