Update sections.md

Author: pancakereport

course-software/seamless-learning/sections.md

@@ -71,7 +71,7 @@ If sections already exist, reimporting them will result in duplicate sections.
 1. Go to your course's sections tool instance.
 2. Login (it will ask you to authorize the sections tool to access your Canvas/bCourses account, click **Authorize**).
 3. Click on the **Admin** page in the navbar.
-4. In the General tab, click on **Import Sections**. This will display a modal where you can copy and paste the link to a Google Sheet containing metadata about the sections you wish to create. **Make sure to follow the format of the sample spreadsheet, otherwise importing will fail.**
+4. In the General tab, click on **Import Sections**. This will display a modal where you can copy and paste the link to a Google Sheet containing metadata about the sections you wish to create. **Make sure to follow the format of the sample spreadsheet, otherwise importing will fail.** Note that if you students to be able to join or switch into a section *at any point,* "Can Self Enroll" must be "TRUE." This setting is required in addition to the Admin toggles. Typically, "Can Self Enroll" is only set to false for Scholars sections or other sections that require staff to tightly control enrollmentt.
 5. If the import was successful, you should be able to see the newly created sections on their corresponding page (e.g. if you imported lab sections, click on **Lab** in the navbar to view all lab sections).
 6. If you turned off enrollment settings when [configuring your course settings](#configuring-your-course-settings), click on the **Admin** page in the navbar. In the Lab, Discussion, and/or Tutoring tabs, turn on any enrollment settings you wish.