diff --git a/pkg/customresource/registry_factory.go b/pkg/customresource/registry_factory.go
index e4ccee9b1e..f69620248b 100644
--- a/pkg/customresource/registry_factory.go
+++ b/pkg/customresource/registry_factory.go
@@ -52,10 +52,11 @@ type RegistryFactory interface {
 	//
 	// func (f *FooFactory) MetricFamilyGenerators(allowAnnotationsList, allowLabelsList []string) []generator.FamilyGenerator {
 	//	return []generator.FamilyGenerator{
-	//		*generator.NewFamilyGenerator(
+	//		*generator.NewFamilyGeneratorWithStability(
 	//			"kube_foo_spec_replicas",
 	//			"Number of desired replicas for a foo.",
 	//			metric.Gauge,
+	//			basemetrics.ALPHA,
 	//			"",
 	//			wrapFooFunc(func(f *samplev1alpha1.Foo) *metric.Family {
 	//				return &metric.Family{
@@ -67,10 +68,11 @@ type RegistryFactory interface {
 	//				}
 	//			}),
 	//		),
-	//		*generator.NewFamilyGenerator(
+	//		*generator.NewFamilyGeneratorWithStability(
 	//			"kube_foo_status_replicas_available",
 	//			"The number of available replicas per foo.",
 	//			metric.Gauge,
+	//			basemetrics.ALPHA,
 	//			"",
 	//			wrapFooFunc(func(f *samplev1alpha1.Foo) *metric.Family {
 	//				return &metric.Family{