Update cross-chain-message.mdx

Author: JohnBonny

pages/stack/interop/cross-chain-message.mdx

@@ -27,7 +27,7 @@ To send a cross-chain message on the Superchain using [Superchain interoperabili
 
 <Image src="/img/op-stack/protocol/cross-chain-message.png" alt="Anatomy of Cross-Chain Message with Interop" width={700} height={500} />
 
-In the example above, `Ox123` sends 1 OP from OP Mainnet to Base, but this applies to any asset using the SuperchainERC20 token standard.
+In the example above, `0x123` sends 1 OP from OP Mainnet to Base, but this applies to any asset using the SuperchainERC20 token standard.
 
 ## Next steps