Add Fee - Doubt

Hello,
        I am using one of your module: https://github.com/devromans/payment-fee , its working fine, actually ordered page or invoice page there is no proof for payment charge for customer.  User needs to know how much they paid for onlinepayment charge.

screen shots : https://snag.gy/qfC1OW.jpg

Thank You.
skype: jeevarathinam.bws