Appointed - Next Step?

I recently received an offer of appointment to USNA. My CIS portal now has a link to read a document for upcoming plebes and a link that says "accept offer." I was wondering: does anyone know what happens if you press the link? Are there further prompts with confirmations and more info or does it just say "thank you for accepting the offer" and send you paperwork in the mail? I am not totally clear on everything that happens after this point. Any information would be helpful.

P.S. I have...

Appointed - Next Step?