diff --git a/content/en/docs/tasks/administer-cluster/setup-ha-etcd-with-kubeadm.md b/content/en/docs/tasks/administer-cluster/setup-ha-etcd-with-kubeadm.md
index 2183108df5add..c8915627ac2da 100644
--- a/content/en/docs/tasks/administer-cluster/setup-ha-etcd-with-kubeadm.md
+++ b/content/en/docs/tasks/administer-cluster/setup-ha-etcd-with-kubeadm.md
@@ -91,7 +91,7 @@ this example.
             peerCertSANs:
             - "${HOST}"
             extraArgs:
-                initial-cluster: infra0=https://${ETCDHOST[0]}:2380,infra1=https://${ETCDHOST[1]}:2380,infra2=https://${ETCDHOST[2]}:2380
+                initial-cluster: infra0=https://${ETCDHOSTS[0]}:2380,infra1=https://${ETCDHOSTS[1]}:2380,infra2=https://${ETCDHOSTS[2]}:2380
                 initial-cluster-state: new
                 name: ${NAME}
                 listen-peer-urls: https://${HOST}:2380