Merge pull request #123903 from kongou-ae/fixed-seamless-migration

Update gateway-migration.md

Author: Jak-MS

articles/expressroute/gateway-migration.md

@@ -53,7 +53,8 @@ Gateway migration is recommended if you have a non-Az enabled Gateway SKU or a n
 The guided gateway migration experience supports:
 
 * Non-Az-enabled SKU on Basic IP to Non-az enabled SKU on Standard IP.
-* Non-Az-enabled SKU to Az-enabled SKU on Standard IP.
+* Non-Az-enabled SKU on Basic IP to Az-enabled SKU on Standard IP.
+* Non-Az-enabled SKU on Standard IP to Az-enabled SKU on Standard IP.
 
 It's recommended to migrate to an Az-enabled SKU for enhanced reliability and high availability. To learn more, see [Migrate to an availability zone-enabled ExpressRoute virtual network gateway using PowerShell](expressroute-howto-gateway-migration-powershell.md).