As the project owner, you are not able to edit your own project details. This will ensure your Licensor is aware of changes made after approval.
You may request this change to be made by contacting a Site administrator or Project Lead Reviewer (if applicable) and they have access to Edit these fields.
See messaging option within your projects tabs or, licensor contact information can be found on the 'Contact Us' page if you are unsure of who to request changes to.