diff --git a/content/rancher/v2.x/en/cluster-admin/cloning-clusters/_index.md b/content/rancher/v2.x/en/cluster-admin/cloning-clusters/_index.md
index 83f6361e8e9..379f63e7772 100644
--- a/content/rancher/v2.x/en/cluster-admin/cloning-clusters/_index.md
+++ b/content/rancher/v2.x/en/cluster-admin/cloning-clusters/_index.md
@@ -53,6 +53,8 @@ Begin by using Rancher CLI to export the configuration for the cluster that you
 
 Use your favorite text editor to modify the cluster configuration in `cluster-template.yml` for your cloned cluster.
 
+> As of Rancher v2.3.0, cluster configuration directives must be nested under the `rancher_kubernetes_engine_config` directive in `cluster.yml`. For more information, refer to the section on [the config file structure in Rancher v2.3.0+.]({{<baseurl>}}/rancher/v2.x/en/cluster-provisioning/rke-clusters/options/#config-file-structure-in-rancher-v2-3-0)
+
 1. Open `cluster-template.yml` (or whatever you named your config) in your favorite text editor.
 
     >**Warning:** Only edit the cluster config values explicitly called out below. Many of the values listed in this file are used to provision your cloned cluster, and editing their values may break the provisioning process.
diff --git a/content/rancher/v2.x/en/cluster-provisioning/hosted-kubernetes-clusters/cce/_index.md b/content/rancher/v2.x/en/cluster-provisioning/hosted-kubernetes-clusters/cce/_index.md
index 1a993231f66..e6bd8a78c43 100644
--- a/content/rancher/v2.x/en/cluster-provisioning/hosted-kubernetes-clusters/cce/_index.md
+++ b/content/rancher/v2.x/en/cluster-provisioning/hosted-kubernetes-clusters/cce/_index.md
@@ -50,6 +50,8 @@ Huawei CCE service doesn't support the ability to create clusters with public ac
 	| Cluster Label | The labels for the cluster. |
 	| Highway Subnet | This option is only supported in `BareMetal` type. It requires you to select a VPC with high network speed for the bare metal machines. |
 
+> Note: If you are editing the cluster in the `cluster.yml` instead of the Rancher UI, note that as of Rancher v2.3.0, cluster configuration directives must be nested under the `rancher_kubernetes_engine_config` directive in `cluster.yml`. For more information, refer to the section on [the config file structure in Rancher v2.3.0+.]({{<baseurl>}}/rancher/v2.x/en/cluster-provisioning/rke-clusters/options/#config-file-structure-in-rancher-v2-3-0)
+
 7. Fill the following node configuration of the cluster:
 
     |Settings|Description|
diff --git a/content/rancher/v2.x/en/cluster-provisioning/hosted-kubernetes-clusters/tke/_index.md b/content/rancher/v2.x/en/cluster-provisioning/hosted-kubernetes-clusters/tke/_index.md
index ad9c0b4bbde..9899c63be38 100644
--- a/content/rancher/v2.x/en/cluster-provisioning/hosted-kubernetes-clusters/tke/_index.md
+++ b/content/rancher/v2.x/en/cluster-provisioning/hosted-kubernetes-clusters/tke/_index.md
@@ -48,6 +48,8 @@ You can use Rancher to create a cluster hosted in Tencent Kubernetes Engine (TKE
     | VPC | Select the VPC name that you have created in the Tencent Cloud Console. |
     | Container Network CIDR | Enter the CIDR range of your Kubernetes cluster, you may check the available range of the CIDR in the VPC service of the Tencent Cloud Console. Default to 172.16.0.0/16. |
 
+> Note: If you are editing the cluster in the `cluster.yml` instead of the Rancher UI, note that as of Rancher v2.3.0, cluster configuration directives must be nested under the `rancher_kubernetes_engine_config` directive in `cluster.yml`. For more information, refer to the section on [the config file structure in Rancher v2.3.0+.]({{<baseurl>}}/rancher/v2.x/en/cluster-provisioning/rke-clusters/options/#config-file-structure-in-rancher-v2-3-0)
+
 7. Click `Next: Select Instance Type` to choose the instance type that will use for your TKE cluster.
 
     | Option | Description                                                                                                          |
diff --git a/content/rancher/v2.x/en/security/hardening-2.3/_index.md b/content/rancher/v2.x/en/security/hardening-2.3/_index.md
index ac8f578efcd..7c1f137a643 100644
--- a/content/rancher/v2.x/en/security/hardening-2.3/_index.md
+++ b/content/rancher/v2.x/en/security/hardening-2.3/_index.md
@@ -1124,6 +1124,8 @@ If a disallowed node driver is active, visit the _Node Drivers_ page under _Glob
 
 ## Appendix A - Complete RKE `cluster.yml` Example
 
+> **Note:** As of Rancher v2.3.0, cluster configuration directives must be nested under the `rancher_kubernetes_engine_config` directive in `cluster.yml`. For more information, refer to the section on [the config file structure in Rancher v2.3.0+.]({{<baseurl>}}/rancher/v2.x/en/cluster-provisioning/rke-clusters/options/#config-file-structure-in-rancher-v2-3-0)
+
 ``` yaml
 nodes:
 - address: 18.191.190.205