Are you sitting around feeling bored because you don't know how to help out OpenBSD? Did your requests for info on where to start come back with unhelpful responses? I've got just the thing for you: an idea!
Cron runs the weekly update script every Saturday at 3:30am. If you use a laptop or other desktop, your computer probably isn't on then. So the locate and whatis databases never get updated unless you run it by hand. So somebody should figure out a way to handle this for desktop machines.