diff --git a/docs/tasks/administer-cluster/dns-custom-nameservers.md b/docs/tasks/administer-cluster/dns-custom-nameservers.md
index b60f05794e..4cca3741ea 100644
--- a/docs/tasks/administer-cluster/dns-custom-nameservers.md
+++ b/docs/tasks/administer-cluster/dns-custom-nameservers.md
@@ -30,7 +30,7 @@ The running Kubernetes DNS pod holds 3 containers:
   in Services and Endpoints, and maintains in-memory lookup structures to serve
   DNS requests.
 - "`dnsmasq`": The `dnsmasq` container adds DNS caching to improve performance.
-- "`healthz`": The `healthz` container provides a single health check endpoint
+- "`sidecar`": The `sidecar` container provides a single health check endpoint
   while performing dual healthchecks (for `dnsmasq` and `kubedns`).
 
 The DNS pod is exposed as a Kubernetes Service with a static IP. Once assigned