When adding a short comment with trailing spaces (to trick the 15 character limit), the error message is incorrect as it says: "Only one comment allowed per 15 seconds"
This is what I mean (replicated on this site):
EDIT: video proof (YouTube)
EDIT: Are you supposed to downvote just because you cannot replicate? I'm only trying to contribute. :(
P.S. I am using Google Chrome 10.0.648.205