(AB-90506) Fix policy names

Prior to this change, the overview page for machine configuration included
several incorrect names for available policies.

This change:

- Corrects the policy names
- Resolves MicrosoftDocs/azure-docs#97272
- Fixes AB#90506

Author: michaeltlombardi

articles/governance/machine-configuration/overview.md

@@ -1,7 +1,7 @@
 ---
 title: Understand Azure Automanage Machine Configuration
 description: Learn how Azure Policy uses the machine configuration feature to audit or configure settings inside virtual machines.
-ms.date: 04/18/2023
+ms.date: 05/16/2023
 ms.topic: conceptual
 ---
 # Understand the machine configuration feature of Azure Automanage
@@ -64,8 +64,9 @@ Arc-enabled servers because it's included in the Arc Connected Machine agent.
 > machines.
 
 To deploy the extension at scale across many machines, assign the policy initiative
-`Deploy prerequisites to enable guest configuration policies on virtual machines` to a management
-group, subscription, or resource group containing the machines that you plan to manage.
+`Virtual machines' Guest Configuration extension should be deployed with system-assigned managed identity`
+to a management group, subscription, or resource group containing the machines that you plan to
+manage.
 
 If you prefer to deploy the extension and managed identity to a single machine, follow the guidance
 for each:
@@ -265,10 +266,10 @@ correct behavior based on the current state of the machine resource in Azure.
 > instead. [Learn More][25]
 
 If the machine doesn't currently have any managed identities, the effective policy is:
-[Add system-assigned managed identity to enable machine configuration assignments on virtual machines with no identities][26]
+[Add system-assigned managed identity to enable Guest Configuration assignments on virtual machines with no identities][26]
 
 If the machine currently has a user-assigned system identity, the effective policy is:
-[Add system-assigned managed identity to enable machine configuration assignments on VMs with a user-assigned identity][27]
+[Add system-assigned managed identity to enable Guest Configuration assignments on VMs with a user-assigned identity][27]
 
 ## Availability