Adding Guests To Agenda

I added Guest to our members without an e-mail address. This is what I found when searching this forum for help to add a Guest Speaker to the agenda. It has a line through it with saying it needs to "Opt In"

What else do I need to do?

Thanks.

Dana Chaffin
Chopper Talkers (7477251)

Your site admin will have an email with approval instructions for Guest