Use a spell checker. Say no more. Each document's author should be listed at the top. If it's a communal document, or an index, it's ok to leave the author off. But if it's a document with real content, it should list a way of contacting the author and providing feedback.
Anonymity is bad.
Look at the top of the document you're reading right now for the suggested format. Eschew marketing obfuscation. These are technical documents, folks. One of the things that people seem to like best about the existing content on mozilla.org is that it is written by people, for people, without bluster or self-promotion. When describing something, don't tell people how great it is.