diff --git a/v3-calico/README.md b/v3-calico/README.md
index 2654459..a85a42f 100644
--- a/v3-calico/README.md
+++ b/v3-calico/README.md
@@ -12,7 +12,7 @@ The following guide shows how to setup an IPv6 only cluster at ungleich.
 Initialise with all components:
 
 ```
-kubeadm init -service-cidr 2a0a:e5c0:13:aaa::/108 --pod-network-cidr 2a0a:e5c0:13:bbb::/64
+kubeadm init --service-cidr 2a0a:e5c0:13:aaa::/108 --pod-network-cidr 2a0a:e5c0:13:bbb::/64
 ```
 
 We cannot yet skip kube-proxy, because calico does not support eBPF