Can I get some help to change a buyer's feedback?

[MGaming]

Just slight typo. Hes the buyer, but in the feedback details he said im the buyer for some reason, cough.
Just want to change it to "Seller". Thanks
(I was the seller)

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[EpicNPC]

Seems it was already updated. It shows he's the buyer.

 

[MGaming]

Seems it was already updated. It shows he's the buyer.

 

[EpicNPC]

Sorry, I thought you meant the Feedback options. It's been updated.