Update quick-create-powershell.md

Author: cynthn

articles/virtual-machines/linux/quick-create-powershell.md

@@ -15,7 +15,7 @@ ms.custom: mvc, devx-track-azurepowershell,
 
 **Applies to:** :heavy_check_mark: Linux VMs 
 
-The Azure PowerShell module is used to create and manage Azure resources from the PowerShell command line or in scripts. This quickstart shows you how to use the Azure PowerShell module to deploy a Linux virtual machine (VM) in Azure. This quickstart uses the Ubuntu 18.04 LTS marketplace image from Canonical. To see your VM in action, you'll also SSH to the VM and install the NGINX web server.
+The Azure PowerShell module is used to create and manage Azure resources from the PowerShell command line or in scripts. This quickstart shows you how to use the Azure PowerShell module to deploy a Linux virtual machine (VM) in Azure. This quickstart uses the latest Debian marketplace image. To see your VM in action, you'll also SSH to the VM and install the NGINX web server.
 
 If you don't have an Azure subscription, create a [free account](https://azure.microsoft.com/free/?WT.mc_id=A261C142F) before you begin.