Update quick-create-portal.md

Author: cynthn

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

@@ -33,7 +33,7 @@ Sign in to the [Azure portal](https://portal.azure.com).
 
 	![Screenshot of the Project details section showing where you select the Azure subscription and the resource group for the virtual machine](./media/quick-create-portal/project-details.png)
 
-1. Under **Instance details**, type *myVM* for the **Virtual machine name**, and choose *Ubuntu 18.04 LTS - Gen2* for your **Image**. Leave the other defaults.
+1. Under **Instance details**, type *myVM* for the **Virtual machine name**, and choose *Ubuntu 18.04 LTS - Gen2* for your **Image**. Leave the other defaults. The default size and pricing is only shown as an example. Size availability and pricing is dependent on your region and subscription.
 
     :::image type="content" source="media/quick-create-portal/instance-details.png" alt-text="Screenshot of the Instance details section where you provide a name for the virtual machine and select its region, image, and size.":::