Link out in callout for more detail on how aptos implements accounts

Author: tippi-fifestarr

apps/nextra/pages/en/build/guides/first-multisig.mdx

@@ -16,7 +16,7 @@ You'll learn how to:
 5. Create and execute multisig transactions
 
 <Callout type="info">
-If you're coming from Ethereum/Solidity, note that Aptos handles multisig accounts differently. Instead of deploying a smart contract like Gnosis Safe, Aptos implements multisig at the protocol level through its account abstraction system.
+If you're coming from Ethereum/Solidity, note that Aptos handles multisig accounts differently. Aptos implements [multisig directly at the protocol level](../../network/blockchain/accounts), allowing accounts to require multiple signatures without deploying additional smart contracts.
 We're interfacing with Aptos using the [Aptos Python SDK](../sdks/python-sdk).
 </Callout>