diff --git a/cmd/main.go b/cmd/main.go
index b31f3da..2ea9daf 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -43,7 +43,7 @@ var (
 
 func parserFlags() {
 	flag.StringVarP(&kubeconfig, "kubeconfig", "", "", "Absolute path to the kubeconfig file.")
-	flag.IntVarP(&cfg.Threads, "threads", "", 2, "Number of worker threads used by the SparkApplication controller.")
+	flag.IntVarP(&cfg.Threads, "threads", "", 2, "Number of worker threads used by the controller.")
 	flag.StringSliceVarP(&cfg.IgnoreNamespaces, "ignore-namespaces", "", nil, "Ignore namespaces for syncing objects.")
 	flag.StringSliceVarP(&cfg.Services, "services", "", []string{"k8s-tcp", "k8s-udp"}, "The service objects of security policy.")
 	flag.StringSliceVarP(&cfg.SourceZones, "source-zones", "", []string{"untrust"}, "The source zones of security policy.")
diff --git a/deploy/rbac.yml b/deploy/rbac.yml
index f519cda..a387f1b 100644
--- a/deploy/rbac.yml
+++ b/deploy/rbac.yml
@@ -13,7 +13,7 @@ rules:
   - ""
   resources:
   - services
-  - namespace
+  - namespaces
   verbs:
   - "*"
 - apiGroups: