User blog comment:TimmyQuivy/HTTPS Next Steps: URL Changes for International Wikis/@comment-24361909-20180826115037

Once the change is made, all domains will work as a kind of site in other language. I'm afraid they may seem like an English site after translation, this isn't true though, 'cause many of not-English wikis only use their prefix because there's no other way to look so great.