diff --git a/content/en/docs/concepts/overview/components.md b/content/en/docs/concepts/overview/components.md
index 4d31a2e190..fe869b1cd1 100644
--- a/content/en/docs/concepts/overview/components.md
+++ b/content/en/docs/concepts/overview/components.md
@@ -18,7 +18,7 @@ deliver a functioning Kubernetes cluster.
 ## Master Components
 
 Master components provide the cluster's control plane. Master components make global decisions about the
-cluster (for example, scheduling), and they detect and respond to cluster events (for example, starting up a new pod when a replication controller's `replicas` field is unsatisfied).
+cluster (for example, scheduling), and they detect and respond to cluster events (for example, starting up a new {{< glossary_tooltip text="pod" term_id="pod">}} when a deployment's `replicas` field is unsatisfied).
 
 Master components can be run on any machine in the cluster. However,
 for simplicity, set up scripts typically start all master components on