diff --git a/docs/concepts/services-networking/service.md b/docs/concepts/services-networking/service.md
index 48f87612b9..1090ecb48a 100644
--- a/docs/concepts/services-networking/service.md
+++ b/docs/concepts/services-networking/service.md
@@ -171,6 +171,8 @@ By default, the choice of backend is round robin.
 
 ![Services overview diagram for userspace proxy](/images/docs/services-userspace-overview.svg)
 
+Note that in the above diagram, `clusterIP` is shown as `ServiceIP`.
+
 ### Proxy-mode: iptables
 
 In this mode, kube-proxy watches the Kubernetes master for the addition and
@@ -188,6 +190,8 @@ having working [readiness probes](/docs/tasks/configure-pod-container/configure-
 
 ![Services overview diagram for iptables proxy](/images/docs/services-iptables-overview.svg)
 
+Note that in the above diagram, `clusterIP` is shown as `ServiceIP`.
+
 ### Proxy-mode: ipvs
 
 {% assign for_k8s_version="v1.9" %}{% include feature-state-beta.md %}