Go to MembershipWorks > Customization > Emails.
Under Template on the right, select Auto recurring renewal payment failed notice from the dropdown.
The email template will display below this. Edit the Email subject and Email message as needed.
Click the Tags link located below the email template box to view the tags that can be added to customize the receipt. For example, if you would like to add the member’s account name, you can add the [nam] tag.
Click the Save Template button on the left when complete.