Oh wow that's embarrassing, I must have been saying it wrong this whole time.
I'm sorry about the other errors as well, I blame being tired while trying to get the shields.io icons working through trial and error. They don't have the best support for alternative git platforms: https://shields.io/badges/gitea-forks
I think it should all be fixed now: https://fedecan.ca/en/guide/threadiverse/alternative-uis#mlmym