The steps depend on which version of the app you're using.
If You're Using Magical Preorder (the new version):
You can change the text that appears on buttons and messages throughout the preorder experience.
In the app, click Settings.
Under the General section, you’ll find text fields for:
Preorder button
Coming Soon button
Closed state button
Sold out message
Preorder label
Signup success message
Signup exists message
Signup error message
Update the text to match your store’s tone or branding.
Click Save when you’re done.
If You're Using Preorder Pro + Back in Stock (the legacy version):
You can customize the message that appears below the preorder button on product pages.
(Optional) If you know when the item will be back in stock:
Search for the product in the dashboard.
Click the calendar icon on the right and select the expected restock date.
In the app, click Settings from the left-hand menu.
Click Preorders in the dropdown.
Edit the message in the Pre-Order Message field.
If you selected a date in step 1, it will be included in the message.
If no date is selected, only the message will appear.
Scroll down and click Save in the bottom-right corner.