diff --git a/inventory/sample/inventory.ini b/inventory/sample/inventory.ini
index e5a53b05a11e4872001bda7e54038f2766948329..325a66a04d33373365db24d350241610e676aa8c 100644
--- a/inventory/sample/inventory.ini
+++ b/inventory/sample/inventory.ini
@@ -15,6 +15,7 @@
 [kube-master]
 # node1
 # node2
+# node3
 
 [etcd]
 # node1