diff --git a/cmd/kubelet/app/options/options.go b/cmd/kubelet/app/options/options.go
index 773765b76e4..d72c4f40c47 100644
--- a/cmd/kubelet/app/options/options.go
+++ b/cmd/kubelet/app/options/options.go
@@ -495,8 +495,8 @@ func AddKubeletConfigFlags(mainfs *pflag.FlagSet, c *kubeletconfig.KubeletConfig
 	fs.StringVar(&c.ReservedSystemCPUs, "reserved-cpus", c.ReservedSystemCPUs, "A comma-separated list of CPUs or CPU ranges that are reserved for system and kubernetes usage. This specific list will supersede cpu counts in --system-reserved and --kube-reserved.")
 	fs.StringVar(&c.TopologyManagerScope, "topology-manager-scope", c.TopologyManagerScope, "Scope to which topology hints applied. Topology Manager collects hints from Hint Providers and applies them to defined scope to ensure the pod admission. Possible values: 'container', 'pod'.")
 	// Node Allocatable Flags
-	fs.Var(cliflag.NewMapStringString(&c.SystemReserved), "system-reserved", "A set of ResourceName=ResourceQuantity (e.g. cpu=200m,memory=500Mi,ephemeral-storage=1Gi) pairs that describe resources reserved for non-kubernetes components. Currently only cpu and memory are supported. See https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ for more detail. [default=none]")
-	fs.Var(cliflag.NewMapStringString(&c.KubeReserved), "kube-reserved", "A set of ResourceName=ResourceQuantity (e.g. cpu=200m,memory=500Mi,ephemeral-storage=1Gi) pairs that describe resources reserved for kubernetes system components. Currently cpu, memory and local ephemeral storage for root file system are supported. See https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ for more detail. [default=none]")
+	fs.Var(cliflag.NewMapStringString(&c.SystemReserved), "system-reserved", "A set of ResourceName=ResourceQuantity (e.g. cpu=200m,memory=500Mi,ephemeral-storage=1Gi) pairs that describe resources reserved for non-kubernetes components. Currently only cpu, memory and local ephemeral storage for root file system are supported. See https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ for more detail. [default=none]")
+	fs.Var(cliflag.NewMapStringString(&c.KubeReserved), "kube-reserved", "A set of ResourceName=ResourceQuantity (e.g. cpu=200m,memory=500Mi,ephemeral-storage=1Gi) pairs that describe resources reserved for kubernetes system components. Currently only cpu, memory and local ephemeral storage for root file system are supported. See https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ for more detail. [default=none]")
 	fs.StringSliceVar(&c.EnforceNodeAllocatable, "enforce-node-allocatable", c.EnforceNodeAllocatable, "A comma separated list of levels of node allocatable enforcement to be enforced by kubelet. Acceptable options are 'none', 'pods', 'system-reserved', and 'kube-reserved'. If the latter two options are specified, '--system-reserved-cgroup' and '--kube-reserved-cgroup' must also be set, respectively. If 'none' is specified, no additional options should be set. See https://kubernetes.io/docs/tasks/administer-cluster/reserve-compute-resources/ for more details.")
 	fs.StringVar(&c.SystemReservedCgroup, "system-reserved-cgroup", c.SystemReservedCgroup, "Absolute name of the top level cgroup that is used to manage non-kubernetes components for which compute resources were reserved via '--system-reserved' flag. Ex. '/system-reserved'. [default='']")
 	fs.StringVar(&c.KubeReservedCgroup, "kube-reserved-cgroup", c.KubeReservedCgroup, "Absolute name of the top level cgroup that is used to manage kubernetes components for which compute resources were reserved via '--kube-reserved' flag. Ex. '/kube-reserved'. [default='']")
diff --git a/pkg/kubelet/apis/config/types.go b/pkg/kubelet/apis/config/types.go
index c586b0cf6d1..a2da50a2d0b 100644
--- a/pkg/kubelet/apis/config/types.go
+++ b/pkg/kubelet/apis/config/types.go
@@ -352,14 +352,14 @@ type KubeletConfiguration struct {
 
 	/* the following fields are meant for Node Allocatable */
 
-	// A set of ResourceName=ResourceQuantity (e.g. cpu=200m,memory=150G,pid=100) pairs
+	// A set of ResourceName=ResourceQuantity (e.g. cpu=200m,memory=150G,ephemeral-storage=1G,pid=100) pairs
 	// that describe resources reserved for non-kubernetes components.
-	// Currently only cpu and memory are supported.
+	// Currently only cpu, memory and local ephemeral storage for root file system are supported.
 	// See http://kubernetes.io/docs/user-guide/compute-resources for more detail.
 	SystemReserved map[string]string
-	// A set of ResourceName=ResourceQuantity (e.g. cpu=200m,memory=150G,pid=100) pairs
+	// A set of ResourceName=ResourceQuantity (e.g. cpu=200m,memory=150G,ephemeral-storage=1G,pid=100) pairs
 	// that describe resources reserved for kubernetes system components.
-	// Currently cpu, memory and local ephemeral storage for root file system are supported.
+	// Currently only cpu, memory and local ephemeral storage for root file system are supported.
 	// See http://kubernetes.io/docs/user-guide/compute-resources for more detail.
 	KubeReserved map[string]string
 	// This flag helps kubelet identify absolute name of top level cgroup used to enforce `SystemReserved` compute resource reservation for OS system daemons.