Merge pull request #1103 from ethereum-optimism/zainbacchus-patch-3

Update cross-chain-message.mdx

Author: krofax

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

@@ -9,7 +9,7 @@ import Image from 'next/image'
 
 # Anatomy of a cross-chain message
 
-A cross-chain message applies to any message sent across a chain. This applies to asset transfers using the [SuperchainERC20](superchain-erc20) token standard. 
+A cross-chain message refers to any communication sent using Superchain interop. This includes messages sent between different chains within an interop cluster, as well as messages sent on a single chain for interoperable. This functionality enables asset transfers that utilize the [SuperchainERC20](superchain-erc20) token standard.
 
 ## How it works