This article explains how to add additional information below content within an activity. Similar to how Descriptions allow you to add rich text before content (a video, document, presentation, etc.), the Additional Information field allows you to add rich text below your content. Adding additional information is optional.
On the Content > Courses page, click to open a course.
Create a new activity or open an existing activity. Toggle the button next to Additional information. Add your information in the field provided.