Update README.md

Author: galiacheng

README.md

@@ -12,10 +12,12 @@ You will get Forms and Reports running as the picture shows:
 
 ![Oracle Forms and Reports Architecture](resources/overview.png)
 
-Network and Availability Zone topology. This sample does not cover high availability for Oracle Database, you can follow [Oracle HA in Azure- Options](https://techcommunity.microsoft.com/t5/data-architecture-blog/oracle-ha-in-azure-options/ba-p/2281896) to create Oracle Data Guard.
+This sample does not cover high availability for Oracle Database, you can follow [Oracle HA in Azure- Options](https://techcommunity.microsoft.com/t5/data-architecture-blog/oracle-ha-in-azure-options/ba-p/2281896) to create Oracle Data Guard.
 
 Azure Application Gateways are always deployed in a highly available fashion. You can scale up following [Scaling Application Gateway v2](https://docs.microsoft.com/en-us/azure/application-gateway/application-gateway-autoscaling-zone-redundant).
 
+See network and Availability Zone topology.
+
 ![Network and Availability Zone Topology](resources/network-and-availability-zones-topology.png)
 
 ## Contents
@@ -1445,4 +1447,4 @@ Delete the resource group from Azure portal.
 
     Root cause: incorret hostname and ip address.
 
-    Solution: double check entries in /etc/hosts. See [Oracle support doc](https://support.oracle.com/epmos/faces/DocumentDisplay?_afrLoop=32587788759518&parent=EXTERNAL_SEARCH&sourceId=PROBLEM&id=726588.1&_afrWindowMode=0&_adf.ctrl-state=21lszme5t_4).
+    Solution: double check entries in /etc/hosts. See [Oracle support doc](https://support.oracle.com/epmos/faces/DocumentDisplay?_afrLoop=32587788759518&parent=EXTERNAL_SEARCH&sourceId=PROBLEM&id=726588.1&_afrWindowMode=0&_adf.ctrl-state=21lszme5t_4).