This document discusses error correction in language learning. It defines slips, errors, and attempts and discusses sources of errors like L1 interference and developmental errors. It provides questions for teachers to consider when deciding whether and how to correct errors, such as whether the correction will help learning. The document also discusses techniques for correcting errors gently without hindering fluency and gives examples of written feedback methods for different writing tasks. Throughout, it emphasizes the importance of gentle correction and avoiding overcorrection.