To edit the Under Construction template:
- Open the Under Construction app from your Shopify store
- Click on the Dashboard and select the Under Construction option
- Go to the template you want to edit, i.e either Active template or Draft templates
- Click on the Customize button to edit the template
Finally, click on the Save button to save the changes you made.
For a quick view of the edit template, check the below image
Check how to customize your landing page with Under Construction.