fixing typos

Author: Sakthi Vetrivel

articles/openshift/dns-forwarding.md

@@ -9,7 +9,7 @@ ms.date: 04/24/2020
 ---
 # Configure DNS forwarding on an Azure Red Hat OpenShift 4 Cluster
 
-To configure DNS Forwarding on an Azure Red Hat OpenShift cluster, you'll need to modify the DNS Operator. This modification will allow your application pods running inside the cluster to resolve names hosted on a private DNS server outside the cluster These steps are documented for OpenShift 4.3 [here](https://docs.openshift.com/container-platform/4.3/networking/dns-operator.html).
+To configure DNS Forwarding on an Azure Red Hat OpenShift cluster, you'll need to modify the DNS Operator. This modification will allow your application pods running inside the cluster to resolve names hosted on a private DNS server outside the cluster. These steps are documented for OpenShift 4.3 [here](https://docs.openshift.com/container-platform/4.3/networking/dns-operator.html).
 
 For example, if you want to forward all DNS requests for *.example.com to be resolved by a DNS server 192.168.100.10, you can edit the operator configuration by running:
 

articles/openshift/toc.yml

@@ -17,9 +17,9 @@
   items:
     - name: Create a private Azure Red Hat OpenShift 4 cluster 
       href: create-private-cluster.md
-    - name: Configure DNS Forwarding for an Azure Red Hat OpenShift 4 cluster
+    - name: Configure DNS forwarding for an Azure Red Hat OpenShift 4 cluster
       href: dns-forwarding.md
-    - name: Configure Azure Active Directory authentication for Azure Red Hat OpenShift 4 cluster
+    - name: Configure Azure Active Directory authentication for an Azure Red Hat OpenShift 4 cluster
       items:
         - name: Configure Azure Active Directory authentication (CLI)
           href: configure-azure-ad-cli.md