Help!!

<p>Well I've been accepted to UCSD and I'm really excited about it. I had just come home from orientation when got my grades. There aren't any Ds or Fs; that's not the problem. The problem is that when I looked over my grades for my sophomore year I realized that one of the grades I reported on my application MIGHT have been incorrect (I don't remember for sure). I reported an A for my Algebra II class when it's really a B! I don't know what to do! I'm really stressing over this! I know they say that their offer of admission will be revoked if there are any "inconsistencies." I've already sent my transcript a few days ago. HELP!!!</p>