You may want to modify the text of the automatic messages that are sent to registrants, participants, and sponsors. 

How to get there:

Login to your Wizathon back end account.

Click on the "Setup/Tools" tab.

Click on "Manage Notification Messages".

What to do:

Scroll to the notification section that applies - Registrant, Participant or Sponsor Notifications.

Make the changes to the text, and then click "Save" to maintain your changes.