At the Accommodation Type settings you are able to change the default room name and use the one you wish. This information is only for internal use.
Step 2: Go to Accomodation Type session
Scroll down and find the option: "Customize accommodation names, images and descriptions"
Step 3: Edit room names
Click at "EDIT ROOM NAMES"
1- Change the names of the room for that room type
3- Do the same to the next room types
4- Click to SAVE
Repeat the process for all the room types you wish