diff --git a/inventory/group_vars/all.yml b/inventory/group_vars/all.yml
index 04e20922e..90dabdeca 100644
--- a/inventory/group_vars/all.yml
+++ b/inventory/group_vars/all.yml
@@ -198,6 +198,7 @@ k8s_image_pull_policy: IfNotPresent
 kpm_packages: []
 #  - name: kube-system/grafana
 
+# Settings for containerized control plane (etcd/kubelet)
 rkt_version: 1.21.0
 etcd_deployment_type: docker
 kubelet_deployment_type: docker