That is a mistake. Boeing should update their page because the MD-11 is no longer offered for sale. It just isn't competitive for passenger service but was still being ordered for Freighters. I think Boeing made a mistake there because there was still a signifigant market. They wanted to protect their own "homegrown" products though and want to push the 767-300 freighter but not many are going for it. Most buyers are choosing second hand MD-11 and brand new A300-600 instead.