Update pages/stack/interop/explainer.mdx

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

Author: krofax

pages/stack/interop/explainer.mdx

@@ -20,7 +20,7 @@ Information that comes from other sources is harder to provide in a safe, decent
 The next major scalability improvement to the OP Stack is to enable a network of chains, the Superchain, to feel like a single blockchain.
 This goal requires low-latency, seamless message passing and asset bridging.
 
-*Superchain interoperability* is a set of protocols and services that lets OP Stack blockchains read each others' state.
+*Superchain interoperability* is a set of protocols and services that lets OP Stack blockchains read each other's state.
 Superchain interoperability provides the following benefits:
 
 *   ETH and ERC-20 tokens to move securely between chains via native minting and burning.  Asset interoperability solves the issues of liquidity fragmentation and poor user experiences caused by asset wrapping or liquidity pools.