Fix formatting and wording in prerequisites section

Author: v-regandowner

articles/update-manager/includes/pre-post-prerequisites.md

@@ -8,45 +8,46 @@ ms.date: 09/24/2024
 
 ## Prerequisites
 
-1. Ensure that you are using PowerShell **7.4** runbook.
-2. Assign permission to managed identities - You can assign permissions to the appropriate [managed identity](../../automation/automation-security-overview.md#managed-identities). The runbook can use either the Automation account system-assigned managed identity or a user-assigned managed identity. 
+1. Ensure that you're using PowerShell **7.4** runbook.
+2. Assign permission to managed identities. You can assign permissions to the appropriate [managed identity](../../automation/automation-security-overview.md#managed-identities). The runbook can use either the Automation account system-assigned managed identity or a user-assigned managed identity.
 
-For the script examples below (Start VM's and Stop VM's), the Virtual Machine Contributor role is required or a Custom Role with these specific permissions:
-•	Microsoft.Compute/virtualMachines/start/action
-•	Microsoft.Compute/virtualMachines/deallocate/action
-•	Microsoft.Compute/virtualMachines/restart/action
-•	Microsoft.Compute/virtualMachines/powerOff/action
+   For the script examples below (Start VMs and Stop VMs), the Virtual Machine Contributor role is required or a Custom Role with these specific permissions:
+
+   - Microsoft.Compute/virtualMachines/start/action
+   - Microsoft.Compute/virtualMachines/deallocate/action
+   - Microsoft.Compute/virtualMachines/restart/action
+   - Microsoft.Compute/virtualMachines/powerOff/action
 
    You can use either portal or PowerShell cmdlets to assign permissions to each identity:
 
    #### [Using Azure portal](#tab/portal)
 
-Follow the steps in [Assign Azure roles using the Azure portal](../../role-based-access-control/role-assignments-portal.yml) to assign permissions
+    Follow the steps in [Assign Azure roles using the Azure portal](../../role-based-access-control/role-assignments-portal.yml) to assign permissions
 
    #### [Using Azure PowerShell](#tab/powershell)
 
-Use PowerShell cmdlet [New-AzRoleAssignment](/powershell/module/az.resources/new-azroleassignment) to assign a role to the system-assigned managed identity.
+    Use PowerShell cmdlet [New-AzRoleAssignment](/powershell/module/az.resources/new-azroleassignment) to assign a role to the system-assigned managed identity.
 
-```powershell 
-New-AzRoleAssignment `
+    ```powershell
+   New-AzRoleAssignment `
                    -ObjectId $SA_PrincipalId `
                    -ResourceGroupName $resourceGroup `
                    -RoleDefinitionName "Contributor"
-```        
- 
-Assign a role to a user-assigned managed identity.
+    ```        
+
+    Assign a role to a user-assigned managed identity.
 
-```powershell
-New-AzRoleAssignment `
+    ```powershell
+   New-AzRoleAssignment `
                    -ObjectId $UAMI.PrincipalId `
                    -ResourceGroupName $resourceGroup `
                    -RoleDefinitionName "Contributor"
-```
-                   
-For the system-assigned managed identity, show `ClientId` and record the value for later use.
-        
-```powershell
-$UAMI.ClientId
-```
+    ```
+    For the system-assigned managed identity, show `ClientId` and record the value for later use.
+
+    ```powershell
+    $UAMI.ClientId
+    ```
+  ---
 
 3. Import the `Az.ResourceGraph` module, ensure the module is updated to ThreadJob with the module version 2.0.3.