most magazines have a link on their web site with corrections- before starting a magazine (or even a book) project- it's always a good idea to check the web site pattern corrections link to see if the pattern you want to use has corrections- no one is perfect- even quilters like Jenny Beyer has corrections listed on her web site- sometimes its a typo- sometimes something can get transposed (24 instead of 42)...always good to check- and if you find an error not listed let them know- so they can list it! always read over the complete pattern before beginning- sometimes you will catch it before you start---that just doesn't make sense...