How to Write Really Good Documentation: Four Rules and an Axiom
http://www.redhatmagazine.com/2007/01/30/how-to-write-really-good-documentationfour-rules-and-an-axiom/

Forte, Brian
Red Hat Magazine
2007

Abstract:

Keeping to the four rules articulated here—and never forgetting the axiom—will definitely improve your documentation. If nothing else, recognizing and observing these rules will raise the status of documentation and the people producing it. And they’ll use that raised status in at least two ways.