To modify some information about a Bedroom you've already created, go to your Dashboard menu, then click on Manage Retreats and select My Bedrooms from the sub-menu list.
You'll have the list of your bedrooms.
Click edit on the Bedroom you would like to modify
You will get to the page to edit your Bedroom 🙂
Path: Dashboard menu > Manage Retreats > My Bedrooms > Click on Edit button