This document provides a lesson on punctuation marks. It begins by explaining that punctuation was missing from a previous writing sample, and will be corrected later in the lesson. The lesson then covers the different punctuation marks including periods, question marks, exclamation points, commas, colons, semicolons, parentheses, quotation marks, and apostrophes. Examples are provided to illustrate the proper use of each mark. At the end, the class corrects the sample from the beginning using their new punctuation knowledge.