How to watch videos when you accidently put in wrong age?

Right so i was going to watch a video on the sight and you have to do one of those stupid age varyfiers when i accidently in my haste click i was born this year in 2011 and now it wont let me watch any video just what in the heck do i do to change it to the correct date so i can watch the videos on the site?

Clear your cookies and see what happenes.