Update reentrancy_eth.py

msg.sender

slither/detectors/reentrancy/reentrancy_eth.py

@@ -38,7 +38,7 @@ Do not report reentrancies that don't involve Ether (see `reentrancy-no-eth`)"""
 ```solidity
     function withdrawBalance(){
         // send userBalance[msg.sender] Ether to msg.sender
-        // if mgs.sender is a contract, it will call its fallback function
+        // if msg.sender is a contract, it will call its fallback function
         if( ! (msg.sender.call.value(userBalance[msg.sender])() ) ){
             throw;
         }