diff --git a/core/vm/interpreter.go b/core/vm/interpreter.go
index 3b67ad6de..1022c355c 100644
--- a/core/vm/interpreter.go
+++ b/core/vm/interpreter.go
@@ -144,7 +144,7 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
 	defer func() { in.evm.depth-- }()
 
 	// Make sure the readOnly is only set if we aren't in readOnly yet.
-	// This makes also sure that the readOnly flag isn't removed for child calls.
+	// This also makes sure that the readOnly flag isn't removed for child calls.
 	if readOnly && !in.readOnly {
 		in.readOnly = true
 		defer func() { in.readOnly = false }()
@@ -226,7 +226,7 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
 		} else if sLen > operation.maxStack {
 			return nil, &ErrStackOverflow{stackLen: sLen, limit: operation.maxStack}
 		}
-		// If the operation is valid, enforce and write restrictions
+		// If the operation is valid, enforce write restrictions
 		if in.readOnly && in.evm.chainRules.IsByzantium {
 			// If the interpreter is operating in readonly mode, make sure no
 			// state-modifying operation is performed. The 3rd stack item