Update rpc-providers.mdx

Update QuickNode link to send to OP lander

Author: nickster4400

pages/app-developers/tools/connect/rpc-providers.mdx

@@ -126,7 +126,7 @@ GetBlock offers Pay-as-You-Go flexible pricing based on actual usage, suitable f
 
 ### Description and pricing
 
-[QuickNode](https://www.quicknode.com/) offers access to hosted OP Mainnet (and testnet) nodes for free.
+[QuickNode](https://www.quicknode.com/chains/optimism) offers access to hosted OP Mainnet (and testnet) nodes for free.
 With the option to upgrade to a premium plan for additional features, we allow you to focus solely on optimizing your application while we manage the complex infrastructure.
 
 ### Supported networks