1. Go to the event. Scheduling > Events> click on the event name.
2. Click on Team Registration.
3. Find any teams that have a Yellow Questions Mark to the right of the name. (If you hover over it it will tell you what it is for).
4. mark off the box to the left of each team.
5. Scroll to the top and select the blue button that says "Update Team Names".
You will now get a green banner confirming the name changes.