diff --git a/README.md b/README.md
index 664e6171..38c0da1c 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ Make sure not to use the same home directory for two nodes at once! You can use
 
 TODO: document feature flags `--simulation-mode`
 ```bash
-cargo +nightly run --release -- home --rpc wss://eth-sepolia.g.alchemy.com/v2/<your-api-key>
+cargo +nightly run --release -- home --rpc wss://eth-sepolia.g.alchemy.com/v2/<your-api-key> --tesnet
 ```
 
 On boot you will be prompted to navigate to `localhost:8080`. Make sure your ETH wallet is connected to the Sepolia test network. Login should be straightforward, just submit the transactions and follow the flow. If you want to register a new ID you will either need [Sepolia testnet tokens](https://www.infura.io/faucet/sepolia) or an invite code.