Adding clarification that Endpoints are still required when EndpointS…

…lices are enabled

content/en/docs/tasks/administer-cluster/enabling-endpoint-slices.md

@@ -26,6 +26,7 @@ network endpoints, they will be split into multiple smaller Endpoint Slice
 resources instead of a single large Endpoints resource.
 
 ## Enabling Endpoint Slices
+
 As an alpha feature, Endpoint Slices are not enabled by default in Kubernetes.
 Enabling Endpoint Slices requires as many as 3 changes to Kubernetes cluster
 configuration.
@@ -49,3 +50,9 @@ EndpointSlice resources for each Endpoints resource. In addition to supporting
 existing Endpoints functionality, Endpoint Slices should include new bits of
 information such as topology. They will allow for greater scalability and
 extensibility of network endpoints in your cluster.
+
+## Endpoints Still Required
+
+Although Endpoint Slices may eventually replace Endpoints, many Kubernetes
+components still rely on Endpoints. For now, enabling Endpoint Slices should be
+seen as an addition to Endpoints in a cluster, not a replacement for them.