Merge pull request #22445 from piazera/patch-1

Update deployment.md

Author: k8s-ci-robot

content/en/docs/concepts/workloads/controllers/deployment.md

@@ -1068,7 +1068,7 @@ allowed, which is the default if not specified.
 
 ### Selector
 
-`.spec.selector` is an required field that specifies a [label selector](/docs/concepts/overview/working-with-objects/labels/)
+`.spec.selector` is a required field that specifies a [label selector](/docs/concepts/overview/working-with-objects/labels/)
 for the Pods targeted by this Deployment.
 
 `.spec.selector` must match `.spec.template.metadata.labels`, or it will be rejected by the API.