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

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

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

@@ -34,7 +34,7 @@ and [register the plugin](https://docs.web3js.org/guides/web3_plugin_guide/plugi
 import { Web3 } from "web3";
 import { ZKsyncPlugin } from "web3-plugin-zksync";
 
-const ZKsyncRpcUrl: string = "https://sepolia.era.zksync.dev";
+const zksyncRpcUrl: string = "https://sepolia.era.zksync.dev";
 
 console.log(`📞 Connecting to ZKsync Era [${ZKsyncRpcUrl}]`);
 const web3: Web3 = new Web3(ZKsyncRpcUrl);