Select the part of your plan you want to rename by clicking it. Click the dropdown list in the left menu and choose the name of your choice.
Can not find the name in the list you are looking for or you prefer to customize your items, select the first box to the left of the menu and write the name of your choice.
If the room menu does not appear, check that your walls are well connected. Correct and retry the operation.
To change or remove the name of a room, select the room and remove or change the text.