diff --git a/contracts/mocks/SafeERC20Helper.sol b/contracts/mocks/SafeERC20Helper.sol
index 9e3442b35..f3bcc3972 100644
--- a/contracts/mocks/SafeERC20Helper.sol
+++ b/contracts/mocks/SafeERC20Helper.sol
@@ -33,7 +33,7 @@ contract ERC20ReturnFalseMock is Context {
     }
 
     function allowance(address, address) public view returns (uint256) {
-        require(_dummy == 0); // Duummy read from a state variable so that the function is view
+        require(_dummy == 0); // Dummy read from a state variable so that the function is view
         return 0;
     }
 }