We make every effort to ensure that our instructions are correct before publication. However, mistakes do happen. We post corrections as soon as they become available. Corrections are listed by book and number. If you think there is a problem with the instructions for a project, let us know by sending us a note via our Contact Us page. Please list the book, page and project name (if applicable). We'll do our best to help! Please note that recent printings may already include some or all of the following changes and corrections to patterns.