Clarity edits for cluster kubernetes extension

Author: James-Green-Microsoft

articles/private-5g-core/collect-required-information-for-service.md

@@ -53,13 +53,13 @@ You can specify a QoS for this service, or inherit the parent SIM Policy's QoS.
 
 During cluster commissioning, the Azure Private 5G Core private mobile network requires a custom location and specific Kubernetes extensions that you need to set up using the Azure CLI in Azure Cloud Shell. Collect each of the values in the table below.
 
-| Value | Variable name | 
+| Value | Variable name |
 |--|--|
 |The ID of the Azure subscription in which the Azure resources are deployed. |**SUBSCRIPTION_ID**|
 |The name of the resource group in which the AKS cluster is deployed. This can be found by using the **Manage** button in the **Azure Kubernetes Service** pane of the Azure portal. |**RESOURCE_GROUP_NAME**|
-|The region in which the Azure resources are deployed. This must match the region into which the mobile network will be deployed, which must be one of the regions supported by AP5GC.</br></br>See [Region code names](region-code-names.md) for list of the supported regions. |**LOCATION**|
-|The name of the custom location resource for the AKS cluster. |**CUSTOM_LOCATION**|
 |The name of the AKS cluster resource. This can be found by using the **Manage** button in the **Azure Kubernetes Service** pane of the Azure portal. |**RESOURCE_NAME**|
+|The region in which the Azure resources are deployed. This must match the region into which the mobile network will be deployed, which must be one of the regions supported by AP5GC: **EastUS** or **WestEurope**.</br></br>This value must be the region's code name, see [Region code names](region-code-names.md) for list of the supported regions and their codes. |**LOCATION**|
+|The name of the **Custom location** resource to be created for the AKS cluster. </br></br>This value must start and end with alphanumeric characters, and must contain only alphanumeric characters, `-` or `.`. |**CUSTOM_LOCATION**|
 
 ## Data flow policy rule(s)
 

articles/private-5g-core/commission-cluster.md

@@ -227,6 +227,9 @@ The Azure Private 5G Core private mobile network requires a custom location and
 
 You can obtain the *\<resource name\>* (the name of the AKS cluster) by using the **Manage** link in the **Azure Kubernetes Service** pane in the Azure portal.
 
+> [!TIP]
+> The commands in this section require the `k8s-extension` and `customlocation` extensions to the Azure CLI tool to be installed. A prompt will appear to install these when you run commands that require them. See [Use and manage extensions with the Azure CLI](/cli/azure/azure-cli-extensions-overview) for more information on automatic extension installation.
+
 1. Sign in to the Azure CLI using Azure Cloud Shell.
 
 1. Set the following environment variables using the required values for your deployment: