如何将iTunes中企业级iPhone应用程序的“类别”从“未知类型”更改为更有意义的内容？

I have an enterprise app (thus not available to the general public in the App Store) that I have developed. When I put it into iTunes, it shows the nice icon (thanks to iTunesArtwork), but it displays "Unknown Genre" underneath it. How do I change this "category" (not sure what exactly to call this) to something else (and is there list of "genres" I can pick from?) Hopefully this is something that I set before I build.I have an enterprise app (thus not available to