What a difference one letter makes.
With that one letter, what starts out as a cute piece of classwork is turned into what could either be case evidence against a horrible teacher or viral advertising for the new season of "Breaking Bad."
Of course it's neither, but we're still cracking up over here.
HuffPost Entertainment is your one-stop shop for celebrity news, hilarious late-night bits, industry and awards coverage and more — sent right to your inbox six days a week. Learn more