diff --git a/zkevm-circuits/src/evm_circuit/execution/memory.rs b/zkevm-circuits/src/evm_circuit/execution/memory.rs
index b1e8d65ec6..8da763f35c 100644
--- a/zkevm-circuits/src/evm_circuit/execution/memory.rs
+++ b/zkevm-circuits/src/evm_circuit/execution/memory.rs
@@ -49,7 +49,7 @@ impl<F: Field> ExecutionGadget<F> for MemoryGadget<F> {
         let is_mstore8 = IsEqualGadget::construct(cb, opcode.expr(), OpcodeId::MSTORE8.expr());
         // This is an MSTORE/MSTORE8
         let is_store = not::expr(is_mload.expr());
-        // This in an MSTORE/MLOAD
+        // This is an MSTORE/MLOAD
         let is_not_mstore8 = not::expr(is_mstore8.expr());
 
         // Calculate the next memory size and the gas cost for this memory