AVD updating host pool locations for clarity

Author: dknappettmsft

articles/virtual-desktop/create-host-pools-azure-marketplace.md

@@ -40,8 +40,8 @@ You can create host pools in the following Azure regions:
 - West US
 - West US 2
 
->[!IMPORTANT]
->This list refers to the list of regions where the _metadata_ for the host pool will be stored.  Virtual machines (hosts) in a host pool can be located in any region, as well as [on-premises](azure-stack-hci-overview.md).
+>[!NOTE]
+>This list refers to the list of regions where the *metadata* for the host pool will be stored.  Session hosts in a host pool can be located in any region, as well as on-premises when using [Azure Virtual Desktop on Azure Stack HCI](azure-stack-hci-overview.md).
 
 ## Prerequisites