diff --git a/content/en/docs/concepts/extend-kubernetes/operator.md b/content/en/docs/concepts/extend-kubernetes/operator.md
index 4a8d744db7..e585444ffa 100644
--- a/content/en/docs/concepts/extend-kubernetes/operator.md
+++ b/content/en/docs/concepts/extend-kubernetes/operator.md
@@ -6,8 +6,9 @@ weight: 30
 
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-Operators are software extensions to Kubernetes that make use of third-party
-resources to manage applications and their components. Operators follow
+Operators are software extensions to Kubernetes that make use of [custom
+resources](/docs/concepts/extend-kubernetes/api-extension/custom-resources/)
+to manage applications and their components. Operators follow
 Kubernetes principles, notably the [control loop](/docs/concepts/#kubernetes-control-plane).
 
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