From the Modern xCenta Dashboard, click on the Audits icon in the Modules section.
A new page will appear, click on the 
icon for the audit you wish to edit.
A new pop up will appear, fill in the relevant details and click Save, ensuring any required fields are populated otherwise you will not be able to save your edit.
If you are unable to follow these instructions, you may not have the required user permissions. Please contact your Site Administrator.