diff --git a/cmd/kubelet/app/options/options.go b/cmd/kubelet/app/options/options.go
index d821f8f1246..5573b59f8e6 100644
--- a/cmd/kubelet/app/options/options.go
+++ b/cmd/kubelet/app/options/options.go
@@ -369,7 +369,7 @@ func (f *KubeletFlags) AddFlags(mainfs *pflag.FlagSet) {
 	fs.MarkDeprecated("non-masquerade-cidr", "will be removed in a future version")
 	fs.BoolVar(&f.KeepTerminatedPodVolumes, "keep-terminated-pod-volumes", f.KeepTerminatedPodVolumes, "Keep terminated pod volumes mounted to the node after the pod terminates.  Can be useful for debugging volume related issues.")
 	fs.MarkDeprecated("keep-terminated-pod-volumes", "will be removed in a future version")
-	fs.BoolVar(&f.EnableCAdvisorJSONEndpoints, "enable-cadvisor-json-endpoints", f.EnableCAdvisorJSONEndpoints, "Enable cAdvisor json /spec and /stats/* endpoints.  [default=false]")
+	fs.BoolVar(&f.EnableCAdvisorJSONEndpoints, "enable-cadvisor-json-endpoints", f.EnableCAdvisorJSONEndpoints, "Enable cAdvisor json /spec and /stats/* endpoints. This flag has no effect on the /stats/summary endpoint.  [default=false]")
 	// TODO: Remove this flag in 1.20+.  https://github.com/kubernetes/kubernetes/issues/68522
 	fs.MarkDeprecated("enable-cadvisor-json-endpoints", "will be removed in a future version")
 	fs.BoolVar(&f.ReallyCrashForTesting, "really-crash-for-testing", f.ReallyCrashForTesting, "If true, when panics occur crash. Intended for testing.")