Registration Form Editing

I have my affilliates sign up for a paid affiliate membership using my Paid Membership Pro plugin before they can register as an affiliate under my WP Affiliate Manager plugin. When they get to the Affiliate registration page, their email field becomes automatically filled in and below it is the following message;
” This is the email address associated with your currently logged in WordPress user account.

If you want to use a different email address, log out of your WordPress account then try a new registration.”

I want to know how to edit this message. I would really love some help on this :/