diff --git a/docs/getting-started-guides/coreos/coreos_single_node_cluster.md b/docs/getting-started-guides/coreos/coreos_single_node_cluster.md
index 9821c441ef4..989afc2aeaa 100644
--- a/docs/getting-started-guides/coreos/coreos_single_node_cluster.md
+++ b/docs/getting-started-guides/coreos/coreos_single_node_cluster.md
@@ -2,6 +2,8 @@
 
 Use the [standalone.yaml](cloud-configs/standalone.yaml) cloud-config to provision a single node Kubernetes cluster.
 
+*Attention:* This requires at least CoreOS version 593.0.0/598.0.0.
+
 ### CoreOS image versions
 
 ### AWS