Merge pull request #678 from ethereum-optimism/update-utm-code

Update tracking link

Author: sbvegan

pages/builders/app-developers/quick-start.mdx

@@ -16,7 +16,7 @@ This quick start uses [`Scaffold-OP`](https://github.com/ethereum-optimism/scaff
 ## Step 1: Get Testnet ETH from Superchain Faucet
 
 You'll need some testnet ETH on OP Sepolia to pay for the [gas fees](https://ethereum.org/en/developers/docs/gas/) associated with deploying your test application.
-Use the [Optimism Superchain Faucet](https://app.optimism.io/faucet) to get some free ETH on OP Sepolia for multiple OP Chains with just one click.
+Use the [Optimism Superchain Faucet](https://app.optimism.io/faucet?utm_source=scaffoldop) to get some free ETH on OP Sepolia for multiple OP Chains with just one click.
 You can request testnet ETH from the Superchain Faucet in one of two ways: **connect a wallet** or **login with Github**.
 
 <Image src="/img/builders/app-developers/quick-start/faucet-markup.png" alt="Superchain Faucet sign-up options" width={500} height={500} />