Resources
To edit resources page:
Click on the Pages tab on the Admin dashboard.
Hover over Resources row and click on the Edit option. This takes you to the Edit page where you can make your desired change.

To add a new resource before the current row, hover over it and use the ' + ' button. To add the new row at the end of the list, use the "Add New Resource" button.
To delete a resource, use the ' - ' button.
Update.