User blog comment:Brandon Rhea/How we're testing the fandom.com domain migration/@comment-35431002-20181006135207/@comment-34982695-20181006140627

It'll be whichever one(s) you got the notification on. If it pops up at the top of any wiki, whether you've contributed or not, it's one that's getting moved. If it doesn't show up, it'll stay the same for now.