mongodb/docs — pull request #1402 by bgrabar (2013-11-22 18:29:26+00:00)
Title: change to ref-toc description for updateUser

User's don't have privlege documents.
Also, this command updates the "user" but actually replaces the targetted field, which can be the "roles," "pwd," or "customData" field. So we shouldn't say it "updates" when referring to specific field.