add hrp to the note of learning the same route over ER and VPN

Author: halkazwini

articles/route-server/expressroute-vpn-support.md

@@ -42,7 +42,7 @@ If you enable BGP on the VPN gateway, the gateway learns *On-premises 1* routes
 :::image type="content" source="./media/expressroute-vpn-support/expressroute-and-vpn-with-route-server.png" alt-text="Diagram showing ExpressRoute and VPN gateways exchanging routes through Azure Route Server.":::
 
 > [!NOTE] 
-> When the same route is learned over ExpressRoute, Azure VPN or an SDWAN appliance, the ExpressRoute network will be preferred.
+> When the same route is learned over ExpressRoute, Azure VPN or an SDWAN appliance, the ExpressRoute network will be preferred by default. You can configure routing preference to influence Route Server route selection. For more information, see [Routing preference (preview)](hub-routing-preference.md).
 
 ## Related content