Supercalifragilisticexpialidocious Said Backwards By The Von Trapp Kids

The kids—now adults— of "The Sound of Music" got a lesson from Julie Andrews 47 years ago on how to say that word backwards.

Not to be picky or anything, but I heard "dociesalgjaljnhlaklnflaksjdpiasfnksldgarupes."

Shouldn't it be: "suoicodiliaipxecitsiligarfilacrepus?"