updated acrolinx.

Author: AbdullahBell

articles/expressroute/gateway-migration.md

@@ -78,13 +78,12 @@ In the gateway migration experience, you need to validate if your resource is ca
 * Gateway Subnet needs two or more prefixes for migration.
 * MaxGatewayCountInVnetReached – Reached maximum number of gateways that can be created in a Virtual Network. 
 
-If your first address prefix is large enough for the second gateway creation and deployment, such as /24, you will not need to add a second prefix. 
+If your first address prefix is large enough for the second gateway creation and deployment, such as /24, you won't need to add a second prefix. 
 
 ### Connection 
 
 The virtual network gateway connection resource isn't in a succeed state. 
 
-
 ## Next steps
 
 * Learn how to [Migrate to an availability zone-enabled ExpressRoute virtual network gateway in Azure portal](expressroute-howto-gateway-migration-portal.md).