Fix typo

Author: davidmlentz

content/en/docs/concepts/overview/working-with-objects/finalizers.md

@@ -47,7 +47,7 @@ and the controller deletes the volume.
 Like {{<glossary_tooltip text="labels" term_id="label">}}, [owner references](/concepts/overview/working-with-objects/owners-dependents/)
 describe the relationships between objects in Kubernetes, but are used for a
 different purpose. When a
-{{<glossary_tooltip text="controllers" term_id="controller">}} manages objects
+{{<glossary_tooltip text="controller" term_id="controller">}} manages objects
 like Pods, it uses labels to track changes to groups of related objects. For
 example, when a {{<glossary_tooltip text="Job" term_id="job">}} creates one or
 more Pods, the Job controller applies labels to those pods and tracks changes to
@@ -77,4 +77,4 @@ your cluster.
 ## {{% heading "whatsnext" %}}
 
 * Read [Using Finalizers to Control Deletion](/blog/2021/05/14/using-finalizers-to-control-deletion/)
-  on the Kubernetes blog.
+  on the Kubernetes blog.