Arggghhh, drives me nuts when people vote down this type of correction. As someone that lives somewhere where the language is not my native language, it drives me crazy that people never take the time to correct my mistakes, meaning I never learn that I'm making them. Seriously people, pointing out someone's error in grammar / spelling is not a bad thing!

It's not a bad thing, but it's not something that's supposed to be on the top of a thread either. A downvote to make it stick to the bottom is proper in my opinion, I doubt anyone would downvote it to oblivion.