docs(escrow): @ferittuncer review

see #170 (comment)

contracts/standard/arbitration/MultipleArbitrableTransaction.sol

@@ -1,6 +1,6 @@
 /**
  *  @authors: [@eburgos, @n1c01a5]
- *  @reviewers: [@unknownunknown1*, @clesaege*, @ferittuncer]
+ *  @reviewers: [@unknownunknown1*, @clesaege*, @ferittuncer*]
  *  @auditors: []
  *  @bounties: []
  *  @deployments: []
@@ -137,8 +137,8 @@ contract MultipleArbitrableTransaction {
     function pay(uint _transactionID, uint _amount) public {
         Transaction storage transaction = transactions[_transactionID];
         require(transaction.buyer == msg.sender, "The caller must be the buyer.");
-        require(transaction.status == Status.NoDispute, "The transaction can't be disputed.");
-        require(_amount <= transaction.amount, "The amount paid has to be less than the transaction.");
+        require(transaction.status == Status.NoDispute, "There is no dispute on this transaction that's arbitration fee to be paid.");
+        require(_amount <= transaction.amount, "The amount paid has to be less than or equal to the transaction.");
 
         transaction.seller.transfer(_amount);
         transaction.amount -= _amount;