Edit Name/Slug of CMS Page
You are able to rename CMS Pages or edit their slugs at any time. You can do either action by itself or you can edit both at the same time.
There are two locations you can edit a page name or slug.
Pages - hover over the ... option in the Actions column. From the dropdown that opens, select Rename.
Details Screen - hover over the ... option on the top right corner From the dropdown that opens, select Rename.
In the popup that opens you'll be able to edit the information in either of fields.