Merge pull request #310273 from duongau/duongau/expressroute-pm-enablement-543908

Fix expressroute TOC issues

Author: v-shils

articles/expressroute/TOC.yml

@@ -1,13 +1,14 @@
 - name: ExpressRoute documentation
   href: index.yml
 - name: Get started
+  expanded: true
   items:
     - name: What is ExpressRoute?
       href: expressroute-introduction.md
     - name: Architecture best practices for Azure ExpressRoute
-      href: /azure/well-architected/service-guides/azure-expressroute?toc=/azure/expressroute/toc.jso
+      href: /azure/well-architected/service-guides/azure-expressroute?toc=/azure/expressroute/toc.json
     - name: What is hybrid connectivity?
-      url: ../networking/hybrid-connectivity/hybrid-connectivity.md
+      href: ../networking/hybrid-connectivity/hybrid-connectivity.md
     - name: Before you start using ExpressRoute
       items:
         - name: Prerequisites