Merge pull request #1992 from dlipovetsky/book-aks-patch-version-warning

book: Warn about AKS-specific Kubernetes version requirements

Author: k8s-ci-robot

README.md

@@ -27,6 +27,8 @@ See the [flavors documentation][flavors_doc] to know which cluster templates are
 
 ## Support Policy
 
+### Cluster API Versions
+
 This provider's versions are compatible with the following versions of Cluster API:
 
 | | Cluster API `v1alpha3` (`v0.3.x`) | Cluster API `v1alpha4` (`v0.4.x`) | Cluster API `v1beta1` (`v1.0.x`) |
@@ -35,6 +37,8 @@ This provider's versions are compatible with the following versions of Cluster A
 |Azure Provider `v0.5.x` |  | ✓ |  |
 |Azure Provider `v1.0.x` |  |  | ✓ |
 
+### Kubernetes Versions
+
 This provider's versions are able to install and manage the following versions of Kubernetes:
 
 |  | Azure Provider `v0.4.x` | Azure Provider `v0.5.x` | Azure Provider `v1.0.x` |
@@ -47,6 +51,10 @@ This provider's versions are able to install and manage the following versions o
 | Kubernetes 1.21 | ✓ | ✓ | ✓ |
 | Kubernetes 1.22 |   | ✓ | ✓ |
 
+#### Managed Clusters (AKS)
+
+Managed Clusters (AKS) follow their own [Kubernetes version support policy](https://docs.microsoft.com/en-us/azure/aks/supported-kubernetes-versions?tabs=azure-cli#kubernetes-version-support-policy). Please use the Azure portal or CLI to [find the versions supported in your cluster's location](https://docs.microsoft.com/en-us/azure/aks/supported-kubernetes-versions?tabs=azure-cli#azure-portal-and-cli-versions).
+
 For more information on Kubernetes version support, see the [Cluster API book](https://cluster-api.sigs.k8s.io/reference/versions.html).
 
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