Note that Cost Management is for Ultimate

This page needs to be badged as being for Ultimate.

doc/user/clusters/cost_management.md

@@ -4,7 +4,9 @@ group: Configure
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
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-# Cluster cost management
+# Cluster cost management **(ULTIMATE)**
+
+> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/216737) in [GitLab Ultimate](https://about.gitlab.com/pricing/) 13.5.
 
 Cluster cost management provides insights into cluster resource usage. GitLab provides an example
 [`kubecost-cost-model`](https://gitlab.com/gitlab-examples/kubecost-cost-model/)