<p>I made a very dumb mistake :( I just found out I filled in a wrong unit number for one course. But that's a repeated course, there's a same class before that semester, and I think most people wil get it. Do I have to mail letters to tell every uc I applied ? :(</p>
<p>I'm no expert, but I'd try and contact them. It's best to let them know about any small mistakes.</p>
<p>No. You will be able to make changes to your application when the thing comes up in January. HOWEVER--for changes to your academic record you have to mail UC. The info is given to you on your application receipt.</p>