Update automatic-vm-guest-patching.md - PowerShell command error

Update automatic-vm-guest-patching.md - PowerShell command for enabling/updating VM is wrong, using "Get-AzVM" you get the VM Object in the $VirtualMachine variable, after that you can perform any PowerShell commands with the "-VM $VirtualMachine" parameter, like the Set-AzVM* or the Update-AzVM*.

Author: mbsnl

articles/virtual-machines/automatic-vm-guest-patching.md

@@ -239,9 +239,7 @@ Set-AzVMOperatingSystem -VM $VirtualMachine -Windows -ComputerName $ComputerName
 Use the [Set-AzVMOperatingSystem](/powershell/module/az.compute/set-azvmoperatingsystem) and [Update-AzVM](/powershell/module/az.compute/update-azvm) cmdlet to enable automatic VM guest patching on an existing VM.
 
 ```azurepowershell-interactive
-$VirtualMachineName='myVM'
-$ResourceGroupName='myResourceGroup'
-$VirtualMachine=Get-AzVM -ResourceGroupName $ResourceGroupName -Name $VirtualMachineName
+$VirtualMachine = Get-AzVM -ResourceGroupName "myResourceGroup" -Name "myVM"
 Set-AzVMOperatingSystem -VM $VirtualMachine -PatchMode "AutomaticByPlatform"
 Update-AzVM -VM $VirtualMachine
 ```
@@ -297,9 +295,7 @@ GET on `/subscriptions/subscription_id/resourceGroups/myResourceGroup/providers/
 Use the [Get-AzVM](/powershell/module/az.compute/get-azvm) cmdlet with the `-Status` parameter to access the instance view for your VM.
 
 ```azurepowershell-interactive
-$VirtualMachineName='myVM'
-$ResourceGroupName='myResourceGroup'
-Get-AzVM -ResourceGroupName $ResourceGroupName -Name $VirtualMachineName -Status -OutVariable VirtualMachine
+Get-AzVM -ResourceGroupName "myResourceGroup" -Name "myVM" -Status
 ```
 
 PowerShell currently only provides information on the patch extension. Information about `patchStatus` will also be available soon through PowerShell.