diff --git a/docs/concepts/configuration/pod-priority-preemption.md b/docs/concepts/configuration/pod-priority-preemption.md
index 3f8647e7ea..ce30c79c67 100644
--- a/docs/concepts/configuration/pod-priority-preemption.md
+++ b/docs/concepts/configuration/pod-priority-preemption.md
@@ -46,11 +46,11 @@ and the scheduler:
 --feature-gates=PodPriority=true
 ```
 
-Also set this flag for API server:
+Also enable scheduling.k8s.io/v1alpha1 API and Priority [admission controller](/docs/admin/admission-controllers/) in API server:
 
 
 ```
---runtime-config=scheduling.k8s.io/v1alpha1=true
+--runtime-config=scheduling.k8s.io/v1alpha1=true --admission-control=Controller-Foo,Controller-Bar,...,Priority
 ```
 
 After the feature is enabled, you can create [PriorityClasses](#priorityclass)