If you require to add or remove websites to a website list, you can do this by clicking on the "Edit list" button.
To edit a list, proceed as follows:
1. Click on the pencil icon of the website list in the interface.
The "Website List" creation interface opens where you can edit the list.
2. Edit the list by adding or removing websites.
3. Click on the "Save".
4. You will need to apply the list to the device again once these changes have been saved for them to apply. The updated list can be applied over the top of the old list.