The video below shows you how to edit a promo code:
From the left side Menu, Select 'Management' and then 'Promo Codes'.
You will land on the promo code index page.
Choose the 'Current' tab.
Choose a promo code to edit and tap the 'Actions' drop down.
Then choose 'Edit' to adjust the details of the promo code, or choose 'Delete' to remove the rate completely.
Make the desired changes, and then select the button 'Update Promo Code' to complete the changes and save the promo code.
Once the changes are complete, you will be redirected to the Promo Code Index page, and a green alert will confirm that the code has been successfully updated.