Can’t set up with facebook pixel

I’m trying to set up an event trigger with facebook’s event setup tool. I want to log when someone presses the “paypal direct checkout” button, but the facebook pixel says:

This event fires when someone clicks a button with the text “or #zoid paypal buttons mja mja nty pos.”

This is causing the pixel to not work on logging this button. I contacted facebook support and they said to contact the developer of the plugin. Any idea how to fix this?
Thanks