Administrators with unrestricted access to the Terms of Use feature in System Roles (Manage Features > Manage Features) can edit terms of use agreements. You can edit only terms of use agreements that have a Pending status. If you need to change a terms of use agreement that has been published, you can clone it and edit the clone.
To edit a terms of use agreement
Additional Information
About the Terms of Use Manager
Clone a Terms of Use Agreement
Create a Terms of Use Agreement
Define a Terms of Use Agreement's Target Audience
Publish a Terms of Use Agreement