Broken link fixed

Author: pritamso

articles/operator-nexus/howto-azure-operator-nexus-prerequisites.md

@@ -44,7 +44,7 @@ In subsequent deployments of Operator Nexus, you can skip to creating the NFC an
   - Microsoft.Resources
 
 ## Dependant Azure resources setup
-- Establish [ExpressRoute](/azure/azure/expressroute/expressroute-introduction) connectivity
+- Establish [ExpressRoute](/azure/expressroute/expressroute-introduction) connectivity
   from your on-premises network to an Azure Region:
   - ExpressRoute circuit [creation and verification](/azure/expressroute/expressroute-howto-circuit-portal-resource-manager)
     can be performed via the Azure portal