Yes. Google scrapes Wikipedia and many other sites to populate this app of theirs. Someone modified the Wikipedia page and Google scraped it. The Wikipedia page was just fixed today, so Google should update their end within the next 24 hours probably.
Are these things like wikipedia where anyone can edit them? I just looked and it actually is this. How would it end up like this?
Yes. Google scrapes Wikipedia and many other sites to populate this app of theirs. Someone modified the Wikipedia page and Google scraped it. The Wikipedia page was just fixed today, so Google should update their end within the next 24 hours probably.