Among the highlights of this week's edition of Oops, Gelf's quasi-weekly round-up of media corrections: Holocaust numbers; that 'Friends' apartment; and two longtime journalists get fired, prompting questions about overreaching from the plagiarism police. Here's one of our favorite corrections this week:

Did You Hear the One About the $250 Cookie Recipe?

New York Times, January 4: A reader's contribution in the Metropolitan Diary on Monday misstated the origin of an anecdote about a cellphone conversation in a restroom that ended: "I'll have to call you back. There's an idiot in the next stall who keeps answering my questions." It has circulated for years; it was not based on the contributor's personal experience.
The Philadelphia Inquirer's Blinq blog spotted this goof, a hazard of a column generated by user-submitted cutesy anecdotes.