If a submitter requests to change their reference, you'll need to open their submission for editing. You can do so by opening the submission and selecting the Open Editing button in the top right.
You'll then be able to write a message or select an email template letting the applicant know they may edit their submission. We recommend you include a link to this article so that they know what to do next by coping and pasting it into the message box:
Then select Open for Editing and Send Response. The submitter will be able to change their reference by editing their submission.