Don't Let Your Product's Features Become Expensive Flaws
http://www.greatuserdocs.com/GTWFeature2Flaw.htm

Great Technical Writing
2008

Abstract:

Your product's unexplained features can turn into costly flaws. This article describes three real-world products with just such "features." It presents ways you can prevent these feature-to-flaw conversions by improving the User Documentation for your products.