Update SOP

docs/how-to-process-change-requests.md

@@ -48,9 +48,9 @@ When not followed:
 3. **Issues in progress:** This column contains all issues that are currently
    being worked on. If you are working on an issue, make sure to move it to this
    column. If you are done with the issue:
-   - move it to the review column by dragging it to the right
-   - remove yourself as the assignee
-   - you may add reviewers by assigning the issue to them
+   1. move it to the review column by dragging it to the right.
+   2. remove yourself as the assignee.
+   3. add at least one reviewer by assigning the issue to them.
 
 4. **Issues ready for review:** This column contains all issues that are ready
    for review. If you are a reviewer assign the issue to yourself. You may add