diff --git a/README.md b/README.md
index 3f28a5e..724ad26 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@
 
 ## setup cluster
 
-    hetzner-kube cluster create --name k8s-test --ssh-key melpomene (-w 3)
+    hetzner-kube cluster create --name k8s-test --node-cidr 10.42.23.0/24 --ssh-key melpomene (-w 3)
     hetzner-kube cluster kubeconfig k8s-test
     kubectl cluster-info