Link to quiz/questions: http://teamtreehouse.com/library/objectoriented-swift/properties/review-properties One of the questions is: Why should a computed property have a setter method? The multiple choice answers are given as: Effeciency Convenience Speed Readability I just wanted to point out that "Effeciency" should be spelled "Efficiency" http://en.wikipedia.org/wiki/Efficiency It's a small thing (since the correct answer is, of course, convenience), but nevertheless.. alt text http://www.speedtest.trynull.com/images/shrug.png

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