Mytrip.com Extra Charge On Credit Card Payment

I purchased a ticket on mytrip.com yesterday night using my credit card issued by Singapore Maribank. During the booking process, the website clearly stated that there were zero fees for credit card payments. However, after completing the payment, I was charged an additional credit card fee of SGD 8.14, which contradicts the information shown on the site. I request that mytrip.com refund the wrongly charged SGD 8.14 credit card fee to my card and ensure that the information about fees on the website accurately reflects what customers are actually charged.