diff --git a/docs/cluster_spec.md b/docs/cluster_spec.md
index 7139f77655..7521b35002 100644
--- a/docs/cluster_spec.md
+++ b/docs/cluster_spec.md
@@ -155,6 +155,27 @@ spec:
 
 Will result in the flag `--feature-gates=ExperimentalCriticalPodAnnotation=true,AllowExtTrafficLocalEndpoints=false`
 
+####  Compute Resources Reservation
+
+```yaml
+spec:
+  kubelet:
+    kubeReserved:
+        cpu: "100m"
+        memory: "100Mi"
+        storage: "1Gi"
+    kubeReservedCgroup: "/kube-reserved"
+    systemReserved:
+        cpu: "100m"
+        memory: "100Mi"
+        storage: "1Gi"
+    systemReservedCgroup: "/system-reserved"
+    enforceNodeAllocatable: "pods,system-reserved,kube-reserved"
+```
+
+Will result in the flag `--kube-reserved=cpu=100m,memory=100Mi,storage=1Gi --kube-reserved-cgroup=/kube-reserved --system-reserved=cpu=100mi,memory=100Mi,storage=1Gi --system-reserved-cgroup=/system-reserved --enforce-node-allocatable=pods,system-reserved,kube-reserved`
+
+Learn [more about reserving compute resources](https://kubernetes.io/docs/tasks/administer-cluster/reserve-compute-resources/).
 
 ### networkID