diff --git a/nitro-node-setup/README.md b/nitro-node-setup/README.md
index c21f9ec..4cab03d 100644
--- a/nitro-node-setup/README.md
+++ b/nitro-node-setup/README.md
@@ -17,10 +17,10 @@ The following commands have to be executed in [`nitro-node-setup`](./) directory
 - Edit [`nitro-vars.yml`](./nitro-vars.yml) and fill in the following values
 
   ```bash
-  # URL endpoint of the L1 chain
+  # L1 RPC chain
   l1_nitro_chain_url: ""
 
-  # URL endpoint of the L2 chain
+  # L2 RPC chain
   l2_nitro_chain_url: ""
 
   # Private key for your nitro address