updated ref to CLI cmd

Author: MGoedtel

articles/azure-monitor/insights/vminsights-enable-at-scale-policy.md

@@ -89,7 +89,7 @@ The policy definitions for an Azure virtual machine scale set are listed in the
 
 |Name |Description |Type |
 |-----|------------|-----|
-|\[Preview\]: Enable Azure Monitor for virtual machine scale sets |Enable Azure Monitor for the virtual machine scale sets in the specified scope (management group, subscription, or resource group). Takes Log Analytics workspace as a parameter. Note: If your scale set upgrade policy is set to Manual, apply the extension to all the VMs in the set by calling upgrade on them. In the CLI, this is az vmss update-instances. |Initiative |
+|\[Preview\]: Enable Azure Monitor for virtual machine scale sets |Enable Azure Monitor for the virtual machine scale sets in the specified scope (management group, subscription, or resource group). Takes Log Analytics workspace as a parameter. Note: If your scale set upgrade policy is set to Manual, apply the extension to all the VMs in the set by calling upgrade on them. In the CLI, this is `az vmss update-instances`. |Initiative |
 |\[Preview\]: Audit Dependency agent deployment in virtual machine scale sets – VM image (OS) unlisted |Reports virtual machine scale set as noncompliant if the VM image (OS) isn't defined in the list and the agent isn't installed. |Policy |
 |\[Preview\]: Audit Log Analytics agent deployment in virtual machine scale sets – VM image (OS) unlisted |Reports virtual machine scale set as noncompliant if the VM image (OS) isn't defined in the list and the agent isn't installed. |Policy |
 |\[Preview\]: Deploy Dependency agent for Linux virtual machine scale sets |Deploy Dependency agent for Linux virtual machine scale sets if the VM image (OS) is defined in the list and the agent isn't installed. |Policy |