diff --git a/example.js b/example.js
index a629a8d0..4d469c19 100644
--- a/example.js
+++ b/example.js
@@ -7,7 +7,9 @@ const providerEngine = ZeroClientProvider({
   // supports http and websockets
   // but defaults to infura's mainnet rest api
   // rpcUrl: 'https://mainnet.infura.io',
-  rpcUrl: 'wss://mainnet.infura.io/ws',
+  // rpcUrl: 'http://localhost:8545',
+  // rpcUrl: 'wss://mainnet.infura.io/ws',
+  // rpcUrl: 'ws://localhost:8545/ws',
 })
 
 // use the provider to instantiate Ethjs, Web3, etc