Big Sweeps database using expired sweeps

I just loaded a bunch of sweeps from the big sweeps database, one of which is http://www.simpledeals.com/page/big-screen-tv-giveaway --this expired on the 15th of last month.
The exp date in ninja shows 12/31/2011 - but right on the page it shows the correct contest end date.
The exp date in ninja shows 12/31/2011 - but right on the page it shows the correct contest end date.