diff --git a/staging/src/k8s.io/controller-manager/config/types.go b/staging/src/k8s.io/controller-manager/config/types.go
index 1d95422d911..e8d2470eeaa 100644
--- a/staging/src/k8s.io/controller-manager/config/types.go
+++ b/staging/src/k8s.io/controller-manager/config/types.go
@@ -77,5 +77,6 @@ type ControllerLeaderConfiguration struct {
 
 	// Component is the name of the component in which the controller should be running.
 	// E.g. kube-controller-manager, cloud-controller-manager, etc
+	// Or '*' meaning the controller can be run under any component that participates in the migration
 	Component string
 }
diff --git a/staging/src/k8s.io/controller-manager/config/v1alpha1/types.go b/staging/src/k8s.io/controller-manager/config/v1alpha1/types.go
index 84d3c1b82ff..9cd9eee9c69 100644
--- a/staging/src/k8s.io/controller-manager/config/v1alpha1/types.go
+++ b/staging/src/k8s.io/controller-manager/config/v1alpha1/types.go
@@ -76,5 +76,6 @@ type ControllerLeaderConfiguration struct {
 
 	// Component is the name of the component in which the controller should be running.
 	// E.g. kube-controller-manager, cloud-controller-manager, etc
+	// Or '*' meaning the controller can be run under any component that participates in the migration
 	Component string `json:"component"`
 }