Check your mail

I don't know if this is part of the theme, but once my users have filled in the reg form, then added their avatar, there is nothing to tell the user that they need to check their mail, or that this part is complete and now check your email, or once the avatar is uploaded click a "next" button that then takes you to a page that tells you to check your email.

What is causing this and how can I rectify it?

(Latest BP, Latest WP, BP-Social theme)