My message is placing too many digits after the price.

For example: it is putting this message:

You need to add $61.6859 more to your cart, in order to use free shipping.

How to fix this where it just puts: $61.69.

http://www.sanpedrofish.com

Thank you.

https://wordpress.org/plugins/woocommerce-free-shipping-notification-by-sygency/