diff --git a/inventory/sample/group_vars/k8s_cluster/addons.yml b/inventory/sample/group_vars/k8s_cluster/addons.yml
index 0370f8e42d1..254ea581d64 100644
--- a/inventory/sample/group_vars/k8s_cluster/addons.yml
+++ b/inventory/sample/group_vars/k8s_cluster/addons.yml
@@ -183,7 +183,7 @@ metallb_speaker_enabled: "{{ metallb_enabled }}"
 #         operator: "Equal"
 #         value: ""
 #         effect: "NoSchedule"
-#   controller
+#   controller:
 #     nodeselector:
 #       kubernetes.io/os: "linux"
 #     tolerations: