I never did? Honest truth...
I was editing the thread, but I probably opened the edit page before a mod edited something, then clicked save after, essentially overwriting whatever the mod did
...

I dont know who it was thoughYou should PM the appropriate mod for this. Public threads discussing warns or bans are heavily discouraged (fairly sure there's something about it in the rules but I'm on mobile so I won't bother with looking for the exact line to quote).
I dont know who it was though