Mistake on UCAS application!!

So I have sent off my UCAS a while ago now, and I have just been on my track and realised I have made a mistake on my details! Can somebody advise me on what to do, as I'm really worried
Thanks

How major is the mistake? A misspelled word might not matter so much, but anything that looks like you're lying about your details may be more of an issue. Ring UCAS to tell them if you're worried.

- Email your universities with what needs changing
- Email UCAS at [email protected] with what needs changing

(assuming this is something to do with qualifications. Personal details will probably require a different email address)

What is the mistake?

It's a personal detail, do I have to email my universities to let them know? Or do I just contact UCAS?

I would contact UCAS and ask for their advice, as it's difficult to say without knowing what the personal detail is (if it's like a wrong address line or something, it may be best to contact the unis as well just in case they try to send a letter to you or something like that)

I think you should contact ucas first and if they say to contact the individual universities then do that.