update sub accounts

Author: youssefea

docs/base-account/framework-integrations/privy/sub-accounts.mdx

@@ -15,6 +15,10 @@ as the user's interactions produce no passkey prompts or popups.
 
 Users can manage all their Sub Accounts at [account.base.app](https://account.base.app).
 
+<Note>
+If you would like to see a live demo of Sub Accounts in action, check out our [Sub Accounts Demo](https://sub-accounts-fc.vercel.app).
+</Note>
+
 ### What you'll achieve
 
 By the end of this guide, you will:

docs/base-account/framework-integrations/privy/wallet-actions.mdx

@@ -9,7 +9,7 @@ Learn how to perform wallet actions including signing messages, typed data, and
 
 ## Overview
 
-Privy provides comprehensive wallet action hooks that work seamlessly with EVM (Ethereum-compatible) wallets. You can sign messages, typed data, raw hashes, and transactions, as well as send transactions directly.
+Privy provides comprehensive [wallet action hooks](https://docs.privy.io/wallets/using-wallets/ethereum/send-a-transaction) that work seamlessly with EVM (Ethereum-compatible) wallets. You can sign messages, typed data, raw hashes, and transactions, as well as send transactions directly.
 
 ### What you'll achieve