How do I update a category

I would like to change the category my site http://www.splyce.com listed in:

It is presently listed in:
http://dmoz.org/Computers/Software/Retailers/Sales_and_Support/

I would like to list it here if possible:
http://dmoz.org/Computers/Software/Industry-Specific/Entertainment_Industry/Box_Office/

Thank you

Lara

Use a "Update URL" request. In the "reason for change", mention the category you think it should go in, and (if you wish) a brief rationale. The editor has discretion to change or not change, and the change must be based on the website, not your submittal -- but you can at least indicate what you want to make sure the editor sees on the site.