docs: update natspec

src/libraries/GasRefundEnabled.sol

@@ -13,7 +13,7 @@ abstract contract GasRefundEnabled {
     uint256 internal immutable gasPerBlob = 2 ** 17;
 
     /// @dev this refunds the sender for execution costs of the tx
-    /// calldata costs are only refunded if `msg.sender == tx.origin` to guarantee the value refunded relates to charging
+    /// calldata costs are only refunded if `isCalldataSameAsTx()` is true to guarantee the value refunded relates to charging
     /// for the `tx.input`. this avoids a possible attack where you generate large calldata from a contract and get over-refunded
     modifier refundsGas(IGasRefunder gasRefunder, IReader4844 reader4844) {
         uint256 startGasLeft = gasleft();