Update README.md

Author: dcousens

README.md

@@ -109,9 +109,9 @@ The below examples are implemented as integration tests, they should be very eas
 - [Spend from a 2-of-4 multisig P2SH address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/d853806/test/integration/multisig.js#L25)
 - [Generate a single-key stealth address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/d853806/test/integration/stealth.js)
 - [Generate a dual-key stealth address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/d853806/test/integration/stealth.js)
-- [Create a BIP32 wallet external address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/d853806/test/integration/bip32.js)
-- [Create a BIP44, bitcoin, account 0, external address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/d853806/test/integration/bip32.js)
-- [Recover a BIP32 parent private key from the parent public key and a derived non-hardened child private key](https://github.com/bitcoinjs/bitcoinjs-lib/blob/d853806/test/integration/bip32.js)
+- [Create a BIP32 wallet external address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/8e1c69183f74acce06d6e35b614e504b18bb04e1/test/integration/bip32.js)
+- [Create a BIP44, bitcoin, account 0, external address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/8e1c69183f74acce06d6e35b614e504b18bb04e1/test/integration/bip32.js)
+- [Recover a BIP32 parent private key from the parent public key and a derived non-hardened child private key](https://github.com/bitcoinjs/bitcoinjs-lib/blob/8e1c69183f74acce06d6e35b614e504b18bb04e1/test/integration/bip32.js)
 - [Recover a Private key from duplicate R values in a signature](https://github.com/bitcoinjs/bitcoinjs-lib/blob/d853806/test/integration/crypto.js)
 - [Create a CLTV locked transaction where the expiry is past](https://github.com/bitcoinjs/bitcoinjs-lib/blob/d853806/test/integration/cltv.js#L36)
 - [Create a CLTV locked transaction where the parties bypass the expiry](https://github.com/bitcoinjs/bitcoinjs-lib/blob/d853806/test/integration/cltv.js#L70)