Edit email templates in Self Selection setup

When sending interview confirmations manually, you can amend the email template to add in bespoke details about the interview (e.g. presentation preparation etc, what to expect etc.), this varies per role so having templated emails doesn't cover this all. When setting up SS, you can only select from the pre-built email templates, it would be great if in the setup there was an 'edit' button, that allowed you to amend what the auto email confirmation was going to say