English Wikipedia, links below.
Existing citation included a page number and a link to a magazine on Internet Archive. The bot added a URL to the "Page" field to link directly to the page. The page cited was 6, but the URL linked to page 79.
Diff: https://en.wikipedia.org/w/index.php?title=Draconus&type=revision&diff=945176708&oldid=939977199&diffmode=source
A similar thing happened with the same magazine on a different Wikipedia page - cited page 7, linked to page 80.
Diff: https://en.wikipedia.org/w/index.php?title=Stardust_(1987_video_game)&type=revision&diff=942678252&oldid=910963133&diffmode=source