Promotion message
Controls the wording shown on a product when it is on promotion, so that a reduced price is presented consistently across the storefront.
Settings
Message - the wording shown alongside a promotional price.
Icon class - an optional icon displayed with the message.
Date format - how any dates in the message are displayed, such as the date a promotion ends.
How to Configure the Promotion Message
Select the store you would like to update
Click on Manage Store Settings underneath Settings
Open Catalogue & Products
Open the Promotion message section
Set the message, icon and date format
Save your changes