what does Windows 7 Professional (64Bit Windows 8 License, Media) mean?

I see this listed for the OS when buying a new desktop and i'm not sure what it means exactly. Does this mean that the system comes with win 7 AND win 8?

It says win 8 recovery media disk in the customise options, so im assuming it doesnt come with win 7 disk but just the activation code and you have to buy the disk seperatly if you want to reformat it and install win 7 instead of 8?