message: Fix confusing comment on finalizeWithdrawal()
diff: @@ -124,7 +124,7 @@ contract OVM_L1ETHGateway is iOVM_L1ETHGateway, OVM_CrossDomainEnabled, Lib_Addr
  /**
  * @dev Complete a withdrawal from L2 to L1, and credit funds to the recipient's balance of the
  * L1 ETH token.
  - * This call will fail if the initialized withdrawal from L2 has not been finalized.
  + * Since only the xDomainMessenger can call this function, it will never be called before the withdrawal is finalized.
  *
  * @param _to L1 address to credit the withdrawal to
  * @param _amount Amount of the ETH to withdraw
  