More ridiculous incidents with professors

So building off the masochism/chauvinism situation, I was just reading comments a professor had written on my last paper. Circled was the word "head." The sentence it corresponded to was as follows: "The men in chains are paying great head to the man in the front."

I wrote head instead of heed. This was the only thing that that was circled and had no comments next to it...FML.