The document provides instructions for submitting an online text assignment in Moodle. It explains that students should first log in to Moodle and click on the course name to access assignments. For the target assignment, students click the assignment link and check the instructions and due date. They can then click "Edit my submission" to type or paste their response in the text box. After saving their submission, students will see the word count and last edit time. They can edit their submission until the due date, after which no more changes can be made. When finished, students click the course name to return to the course page.