mulgo on "Stays side bar menu"

One the live demo for the theme 'stays' (http://staydemo.wordpress.com/rooms/), when clicking on 'rooms' we get a menustructure on the left hand side showing all rooms.

When I add rooms to the room menu I only get them listed under the centre part and not in the left hand navigation.

How can I get all rooms showing in the left hand navigation.

Thanks.

Regards,
Daniel