add a link to VNet flow logs portal article in the prerequisites section

Author: halkazwini

articles/network-watcher/flow-logs-read.md

@@ -22,7 +22,7 @@ In this article, you learn how to read portions of Azure Network Watcher flow lo
 
 - PowerShell. For more information, see [Install PowerShell on Windows, Linux, and macOS](/powershell/scripting/install/installing-powershell). This article requires the Az PowerShell module. For more information, see [How to install Azure PowerShell](/powershell/azure/install-azure-powershell). To find the installed version, run `Get-Module -ListAvailable Az`. 
 
-- NSG flow logs in a region or more. For more information, see [Create NSG flow logs](nsg-flow-logs-portal.md#create-a-flow-log).
+- Flow logs in a region or more. For more information, see [Create NSG flow logs](nsg-flow-logs-portal.md#create-a-flow-log) or [Create VNet flow logs](vnet-flow-logs-portal.md#create-a-flow-log).
 
 - Necessary RBAC permissions for the subscriptions of flow logs and storage account. For more information, see [Network Watcher RBAC permissions](required-rbac-permissions.md).