This is how you change the message content in your notification setup
Hover your mouse over the Navigation Bar，hover to Shop and click「Notifications」
Click on the [3 dots option] icon next to the Notifications that you want to edit. Click [Edit]: 👇🏻
Look for the trigger that you would like to amend your message content, and click on the small arrow to edit.
Once the dropdown panel appears, look for your message flow and click the button to edit your message template
After editing the content wait for it to be autosaved.