Please do not mark this page for translation yet. It is still being drafted, or it contains incomplete translation markup which should be fixed before marking for translation.
Click the circular arrows ("Update now") to start an update. If it goes through changes should be pushed to the GitHub repo.
If your personal access token on GitHub expires you need to add a new mirroring (after you've regenerated the token). There doesn't seem to be a way to just update the token.