diff --git a/example/example-etcd-cluster-with-backup.yaml b/example/example-etcd-cluster-with-backup.yaml
index 2eca2073..eb5b0bec 100644
--- a/example/example-etcd-cluster-with-backup.yaml
+++ b/example/example-etcd-cluster-with-backup.yaml
@@ -7,7 +7,7 @@ spec:
   version: "v3.1.0-alpha.1"
   backup:
     # short snapshot interval for testing, do not use this in production!
-    snapshotIntervalInSecond: 30
+    backupIntervalInSecond: 30
     maxBackups: 5
     volumeSizeInMB: 512
     storageType: "PersistentVolume"