Once you're inside of your account, you'll want to click on your name in the upper right corner of the page.
Click "Add/Update Credit Card"
From there, you can add a new card to your profile or update your existing card using the forms on the page.
Click "Submit" and you information will be updated. After you've done this, you should be good to go!
If you encounter any trouble, or if you wish to ensure that everything was updated and processed successfully, feel free to let us our team know and we would be happy to check this for you!
Don't hesitate to email us at support@digitalbrandingu.com.