diff --git a/docs/operator/resources/vmsingle.md b/docs/operator/resources/vmsingle.md
index 29b50a068..6a6bf8a5a 100644
--- a/docs/operator/resources/vmsingle.md
+++ b/docs/operator/resources/vmsingle.md
@@ -311,6 +311,7 @@ Advantages of using `VMBackupmanager` include:
 ## Examples
 
 ```yaml
+apiVersion: operator.victoriametrics.com/v1beta1
 kind: VMSingle
 metadata:
   name: vmsingle-example