Address review comments

Signed-off-by: doxiao <[email protected]>

Author: doxiao

kubernetes/samples/charts/apache-samples/README.md

@@ -1,6 +1,6 @@
 # Apache load balancer samples
 
-The sample package contains two samples that uses the [Apache helm chart](../apache-webtier/README.md). The samples uses the Docker image for the Apache HTTP Server with the 12.2.1.3.0 Oracle WebLogic Server Proxy Plugin.  See the details in [Apache HTTP Server with Oracle WebLogic Server Proxy Plugin on Docker](https://github.com/oracle/docker-images/tree/master/OracleWebLogic/samples/12213-webtier-apache).
+The sample package contains two samples that use the [Apache helm chart](../apache-webtier/README.md). The samples use the Docker image for the Apache HTTP Server with the 12.2.1.3.0 Oracle WebLogic Server Proxy Plugin.  See the details in [Apache HTTP Server with Oracle WebLogic Server Proxy Plugin on Docker](https://github.com/oracle/docker-images/tree/master/OracleWebLogic/samples/12213-webtier-apache).
 
 * [The default sample](default-sample/README.md) uses the built-in configuration in the above Docker image.
 

site/apache.md

@@ -28,9 +28,9 @@ In order to start the Apache HTTP Server for your WebLogic domain, you need to c
 
 * Create a Kubernetes NodePort service to expose the internal ports to external access.
 
-* Create a RBAC YAML file to setup security for your load balancer. This is optional.
+* Optionally create a RBAC YAML file to setup security for your load balancer. 
 
-See samples for creating Apache HTTP Server as a load balancer at [Apache load balancer helm chart](../kubernetes/samples/charts/apache-webtier/README.md) and [Apache load balance samples](../kubernetes/samples/charts/apache-samples/README.md).
+See the samples for creating Apache HTTP Server as a load balancer at [Apache load balancer helm chart](../kubernetes/samples/charts/apache-webtier/README.md) and [Apache load balance samples](../kubernetes/samples/charts/apache-samples/README.md).
 
 Note that you can choose to run one Apache HTTP Server to balance the loads from multiple domains/clusters inside the same Kubernetes cluster, as long as the Apache HTTP Server and the domains are all in the same namespace.