Fix Hyper URLs

Author: Pessina

book/build-your-staking-dapp/hyperliquid/methods.md

@@ -634,7 +634,7 @@ Hyperliquid uses **EIP-712 typed data signing**, not standard Ethereum transacti
 
 **Further Reading**
 
-- [Signer Documentation](https://chorus-one.gitbook.io/sdk/signers-explained/what-is-a-signer)
+- [Signer Documentation](../../signers-explained/what-is-a-signer.md)
 
 ---
 

book/build-your-staking-dapp/hyperliquid/overview.md

@@ -284,7 +284,7 @@ console.log('Withdrawal initiated - will complete in 7 days')
 ## Next Steps
 
 - Explore detailed method documentation in [Methods](methods.md)
-- Review the [HyperliquidStaker API Reference](https://chorus-one.gitbook.io/sdk/docs/classes/hyperliquid_src.HyperliquidStaker)
+- Review the [HyperliquidStaker API Reference](../../docs/classes/hyperliquid_src.HyperliquidStaker.md)
 - Check out the example applications in the SDK repository
 
 ## Further Reading