Update content/tutorials/guide-web3js/10.index.md

Co-authored-by: Sabrina <[email protected]>

content/tutorials/guide-web3js/10.index.md

@@ -38,7 +38,7 @@ const zksyncRpcUrl: string = "https://sepolia.era.zksync.dev";
 
 console.log(`📞 Connecting to ZKsync Era [${zksyncRpcUrl}]`);
 const web3: Web3 = new Web3(ZKsyncRpcUrl);
-web3.registerPlugin(new ZKsyncPlugin(ZKsyncRpcUrl));
+web3.registerPlugin(new ZKsyncPlugin(zksyncRpcUrl));
 ```
 
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