I haven't a clue how I completed this challenge. I did barely anything, didn't change the source and didn't even view my cookies. I went into the challenge, clicked vote, had a quick look over the source, clicked back and "Well, done". Did I do it right or is the challenge coded wrong???

~~pt00

You need to be careful

Just have a look at the source

there is probably a problem i have just put on the button vote and i success this challenge
i don't understand why ?