How Do I Edit The Tracking Number?
To edit the tracking number, you will actually need to do this inside your Shopify Account.
1. Log into your Shopify Account > Orders > All Orders and find the order.
2. Click into the order and you should see the order details.
3. Go to the Fulfillments section > More > Edit Tracking.
4. Fill in the new tracking number and choose a carrier. Then, click "Save".