diff --git a/cmd/kube-proxy/app/server.go b/cmd/kube-proxy/app/server.go
index 6de788607fe..2f9ea2eac3e 100644
--- a/cmd/kube-proxy/app/server.go
+++ b/cmd/kube-proxy/app/server.go
@@ -125,11 +125,11 @@ func AddFlags(options *Options, fs *pflag.FlagSet) {
 
 	// All flags below here are deprecated and will eventually be removed.
 
-	fs.Var(componentconfig.IPVar{Val: &options.config.BindAddress}, "bind-address", "The IP address for the proxy server to serve on (set to 0.0.0.0 for all interfaces)")
+	fs.Var(componentconfig.IPVar{Val: &options.config.BindAddress}, "bind-address", "The IP address for the proxy server to serve on (set to `0.0.0.0` for all IPv4 interfaces and `::` for all IPv6 interfaces)")
 	fs.StringVar(&options.master, "master", options.master, "The address of the Kubernetes API server (overrides any value in kubeconfig)")
 	fs.Int32Var(&options.healthzPort, "healthz-port", options.healthzPort, "The port to bind the health check server. Use 0 to disable.")
-	fs.Var(componentconfig.IPVar{Val: &options.config.HealthzBindAddress}, "healthz-bind-address", "The IP address and port for the health check server to serve on (set to 0.0.0.0 for all interfaces)")
-	fs.Var(componentconfig.IPVar{Val: &options.config.MetricsBindAddress}, "metrics-bind-address", "The IP address and port for the metrics server to serve on (set to 0.0.0.0 for all interfaces)")
+	fs.Var(componentconfig.IPVar{Val: &options.config.HealthzBindAddress}, "healthz-bind-address", "The IP address and port for the health check server to serve on (set to `0.0.0.0` for all IPv4 interfaces and `::` for all IPv6 interfaces)")
+	fs.Var(componentconfig.IPVar{Val: &options.config.MetricsBindAddress}, "metrics-bind-address", "The IP address and port for the metrics server to serve on (set to `0.0.0.0` for all IPv4 interfaces and `::` for all IPv6 interfaces)")
 	fs.Int32Var(options.config.OOMScoreAdj, "oom-score-adj", utilpointer.Int32PtrDerefOr(options.config.OOMScoreAdj, int32(qos.KubeProxyOOMScoreAdj)), "The oom-score-adj value for kube-proxy process. Values must be within the range [-1000, 1000]")
 	fs.StringVar(&options.config.ResourceContainer, "resource-container", options.config.ResourceContainer, "Absolute name of the resource-only container to create and run the Kube-proxy in (Default: /kube-proxy).")
 	fs.MarkDeprecated("resource-container", "This feature will be removed in a later release.")
diff --git a/cmd/kubelet/app/options/options.go b/cmd/kubelet/app/options/options.go
index 4e9e10e9df4..6d8e13abe8c 100644
--- a/cmd/kubelet/app/options/options.go
+++ b/cmd/kubelet/app/options/options.go
@@ -382,7 +382,7 @@ func AddKubeletConfigFlags(fs *pflag.FlagSet, c *kubeletconfig.KubeletConfigurat
 	fs.StringVar(&c.ManifestURL, "manifest-url", c.ManifestURL, "URL for accessing the container manifest")
 	fs.Var(flag.NewColonSeparatedMultimapStringString(&c.ManifestURLHeader), "manifest-url-header", "Comma-separated list of HTTP headers to use when accessing the manifest URL. Multiple headers with the same name will be added in the same order provided. This flag can be repeatedly invoked. For example: `--manifest-url-header 'a:hello,b:again,c:world' --manifest-url-header 'b:beautiful'`")
 	fs.BoolVar(&c.EnableServer, "enable-server", c.EnableServer, "Enable the Kubelet's server")
-	fs.Var(componentconfig.IPVar{Val: &c.Address}, "address", "The IP address for the Kubelet to serve on (set to 0.0.0.0 for all interfaces)")
+	fs.Var(componentconfig.IPVar{Val: &c.Address}, "address", "The IP address for the Kubelet to serve on (set to `0.0.0.0` for all IPv4 interfaces and `::` for all IPv6 interfaces)")
 	fs.Int32Var(&c.Port, "port", c.Port, "The port for the Kubelet to serve on.")
 	fs.Int32Var(&c.ReadOnlyPort, "read-only-port", c.ReadOnlyPort, "The read-only port for the Kubelet to serve on with no authentication/authorization (set to 0 to disable)")
 
@@ -427,7 +427,7 @@ func AddKubeletConfigFlags(fs *pflag.FlagSet, c *kubeletconfig.KubeletConfigurat
 	fs.BoolVar(&c.EnableContentionProfiling, "contention-profiling", false, "Enable lock contention profiling, if profiling is enabled")
 	fs.Int32Var(&c.CAdvisorPort, "cadvisor-port", c.CAdvisorPort, "The port of the localhost cAdvisor endpoint (set to 0 to disable)")
 	fs.Int32Var(&c.HealthzPort, "healthz-port", c.HealthzPort, "The port of the localhost healthz endpoint (set to 0 to disable)")
-	fs.Var(componentconfig.IPVar{Val: &c.HealthzBindAddress}, "healthz-bind-address", "The IP address for the healthz server to serve on. (set to 0.0.0.0 for all interfaces)")
+	fs.Var(componentconfig.IPVar{Val: &c.HealthzBindAddress}, "healthz-bind-address", "The IP address for the healthz server to serve on (set to `0.0.0.0` for all IPv4 interfaces and `::` for all IPv6 interfaces)")
 	fs.Int32Var(&c.OOMScoreAdj, "oom-score-adj", c.OOMScoreAdj, "The oom-score-adj value for kubelet process. Values must be within the range [-1000, 1000]")
 	fs.StringVar(&c.ClusterDomain, "cluster-domain", c.ClusterDomain, "Domain for this cluster.  If set, kubelet will configure all containers to search this domain in addition to the host's search domains")