Step 1: Click on Checkout, then click on Edit Apparence.
Step 2: Enable the Show Checkout Title and Show Checkout Subtitle, if you would like these to appear at your checkout.
Step 3: Once you are done, don’t forget to click on Save changes
You can chose whether to show your checkout title and subtitle by clicking on the Checkout tab in the menu of your Admin panel of the selected store. The checkout title will be “Secure Checkout” and the checkout Subtitle will be “Complete your purchase securely”.