Use the following steps to show/hide the room scope:
Go to Designer > Company Pages
Select your Line Item Page, or create one if you don't have one yet - learn how to add a new page here
Click the Edit Options button at the top left
Select the checkbox for 'Room Scope'.
This will include the scope at the top of each room on your report.
Hope this helps! Feel free to ping us in the chat if you have any questions!