By default, sync notifications display the real information of your customers to create urgency and scarcity, and the default message in Orders Proofy sync notifications is {{first_name}} in {{location}} purchased a. That means on notifications, the real first name and the location of the customer will be displayed. However, Orders Proofy is developed in order for you to feel ridiculously easy if you want to conceal the customer's data. 

Just go to Settings >> Text >> Under the Message, you would see the field namely Tittle. This is where you configure the message displayed on notifications. As in the screenshot below, we changed it {{first_name}} to Someone

After clicking Save and Active, the notifications will look like this