Merge pull request #125511 from tachyontec/patch-4

Update expressroute-prerequisites.md

Author: ttorble

articles/expressroute/expressroute-prerequisites.md

@@ -22,7 +22,7 @@ To connect to Microsoft cloud services using ExpressRoute, you need to verify th
 
 ## Connectivity provider
 
-* You can work with an [ExpressRoute connectivity partner](expressroute-locations.md#partners) to connect to the Microsoft cloud. You can set up a connection between your on-premises network and Microsoft in [three ways](expressroute-introduction.md).
+* You can work with an [ExpressRoute connectivity partner](expressroute-locations.md#partners) to connect to the Microsoft cloud. You can set up a connection between your on-premises network and Microsoft in [three ways](expressroute-connectivity-models.md).
 * If your provider isn't an ExpressRoute connectivity partner, you can still connect to the Microsoft cloud through a [cloud exchange provider](expressroute-locations.md#connectivity-through-exchange-providers).
 
 ## Network requirements