http://dhs.nu/sommarhack/2014/new/competitions.php

"and music we gladly accept" -> "and music. We gladly accept"

"As this is a combined demo and intro competition. Detailed specification of the needed hardware" -> "As this is a combined demo and intro competition, detailed hardware requirements"

http://dhs.nu/sommarhack/2014/new/travel.php

"Accomodation" -> "Accommodation"

"caravan or an RC" -> "caravan or an RV"

http://dhs.nu/sommarhack/2014/new/previous.php

"We hope this years event" -> "We hope this year's event"