As ex Community manager and Headadmin of zarpgaming.com/dark-rp I will handle this!
As shown in the trade menu created by XNATORRRRRRRRR and fixed callum it states "the other player has changed the items the terms. Please review the items. There are actually 2 chances to review your acceptance in this coinflip "accept" confirm"
Thank you for your report - Ex headmin Jamie aka Jack bushros