Two year event on groups.drupal.org

Hello all,

Someone has created an event that mistakenly was set to be 2 years long. As such, it appears on the calendar (https://groups.drupal.org/calendar) for every single day for those two years... but the event has actually ended so I'm told the person responsible can't change it.

Can someone with "edit any" permission on groups.drupal.org update this post to be the year 2013 for the end date?

https://groups.drupal.org/node/333858

Much thanks!