diff --git a/contracts/helpers/VerifierCaller.sol b/contracts/helpers/VerifierCaller.sol
index d861cf6..c5cf299 100644
--- a/contracts/helpers/VerifierCaller.sol
+++ b/contracts/helpers/VerifierCaller.sol
@@ -38,7 +38,7 @@ abstract contract VerifierCaller {
             return returnValue == 1;
         }
 
-        // Otherwise return false for the unsucessful calls and invalid signatures
+        // Otherwise return false for the unsuccessful calls and invalid signatures
         return false;
     }
 }
diff --git a/contracts/paymasters/ERC20Paymaster.sol b/contracts/paymasters/ERC20Paymaster.sol
index d5b1d6e..762d9b7 100644
--- a/contracts/paymasters/ERC20Paymaster.sol
+++ b/contracts/paymasters/ERC20Paymaster.sol
@@ -85,7 +85,7 @@ contract ERC20Paymaster is IPaymaster, PrimaryProdDataServiceConsumerBase, Ownab
         // By default we consider the transaction as accepted.
         magic = PAYMASTER_VALIDATION_SUCCESS_MAGIC;
 
-        // Revert if standart paymaster input is shorter than 4 bytes
+        // Revert if standard paymaster input is shorter than 4 bytes
         if (_transaction.paymasterInput.length < 4) revert Errors.SHORT_PAYMASTER_INPUT();
 
         // Check the paymaster input selector to detect flow