diff --git a/docs/concepts/cluster-administration/addons.md b/docs/concepts/cluster-administration/addons.md
index 53b94997dc..eb62a0795e 100644
--- a/docs/concepts/cluster-administration/addons.md
+++ b/docs/concepts/cluster-administration/addons.md
@@ -21,6 +21,10 @@ Add-ons in each section are sorted alphabetically - the ordering does not imply
 * [Weave Net](https://www.weave.works/docs/net/latest/kube-addon/) provides networking and network policy, will carry on working on both sides of a network partition, and does not require an external database.
 * [CNI-Genie](https://github.com/Huawei-PaaS/CNI-Genie) enables Kubernetes to seamlessly connect to a choice of CNI plugins, such as Flannel, Calico, Canal, Romana, or Weave.
 
+## Service Discovery
+
+* [CoreDNS](https://coredns.io) is a flexible, extensible DNS server which can be [installed](https://github.com/coredns/deployment/tree/master/kubernetes) as the in-cluster DNS for pods.
+
 ## Visualization & Control
 
 * [Dashboard](https://github.com/kubernetes/dashboard#kubernetes-dashboard) is a dashboard web interface for Kubernetes.