YB:Date for open house ("visning") is wrong-01

The object was listed in November, but the "open house" (visning) shows two dates in April 2011

http://yeboo.no/my-yeboo/listings/valerenga-helt-unik-3roms-fra-2008-med-privat-takterrasse-pa-44kvm-meget-god-takhoyde-garasje-barnevennlig/