This document provides an overview of technical editing. It discusses the general procedure for editing technical documents, which involves analyzing the purpose, audience, and format of the materials; evaluating if they are appropriate; setting objectives and planning; reviewing with the author; making edits; and evaluating the outcome. It also discusses editor-client contracts, different levels of edit (consistency and correctness, visual readability, and content and structure), and the importance of using style guides and creating a style sheet when editing technical materials.