Wikipedia maintains a list of philosophy articles that need “attention from experts on the subject.”
You can find the list here. Wikipedia is the fifth most-visited site on the Internet (according to Wikipedia). It is certainly the place where many students begin (and, alas, end) their inquiries into philosophical subjects, so it behooves us that articles there are accurate.
If you’re an expert on any of the following subjects, consider seeing what kind of help is needed:
The page is updated regularly.
Thanks to Kelly Truelove for the pointer.