diff --git a/content/en/docs/concepts/workloads/controllers/deployment.md b/content/en/docs/concepts/workloads/controllers/deployment.md
index dfd921f23a..2eb14ea94c 100644
--- a/content/en/docs/concepts/workloads/controllers/deployment.md
+++ b/content/en/docs/concepts/workloads/controllers/deployment.md
@@ -997,7 +997,7 @@ allowed, which is the default if not specified.
 
 ### Selector
 
-`.spec.selector` is an optional field that specifies a [label selector](/docs/concepts/overview/working-with-objects/labels/)
+`.spec.selector` is an 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.