fixed broken v4 wp link

index.html

@@ -39,7 +39,7 @@ <h2>Writing and Publications</h2>
               Protocol</a></li>
           <li><a href="https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4328948">On-Chain Foreign Exchange and
               Cross-Border Payments</a></li>
-          <li><a href="https://github.com/Uniswap/v4-core/blob/main/whitepaper-v4-draft.pdf">Uniswap v4 Core</a></li>
+          <li><a href="https://github.com/Uniswap/v4-core/blob/main/docs/whitepaper-v4.pdf">Uniswap v4 Core</a></li>
           <li><a href="https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4384409">Uniswap v3 TWAP Oracles in Proof of
               Stake</a></li>
           <li><a href="https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4382303">Just-in-time Liquidity on the