The document provides information about copyreading and proofreading for journalistic writing. It discusses the duties of a copyreader, which include correcting errors, checking for clarity and conciseness, following style guidelines, and writing headlines. The duties of a proofreader are also outlined, such as verifying correct details, headlines, images and formatting in the final version. Copyreaders and proofreaders use standard symbols to mark edits and errors. Proper headline writing considers length, clarity, verb usage, and units of measurement for the allotted space.