BZ1966642: updated load balancer source range documentation

Author: chinmayi-chandrasekar

modules/nw-create-load-balancer-service.adoc

@@ -38,15 +38,24 @@ spec:
   - name: db
     port: 3306 <2>
   loadBalancerIP:
-  type: LoadBalancer <3>
+  loadBalancerSourceRanges: <3>
+  - 10.0.0.0/8
+  - 192.168.0.0/16
+  type: LoadBalancer <4>
   selector:
-    name: mysql <4>
+    name: mysql <5>
 ----
 <1> Enter a descriptive name for the load balancer service.
 <2> Enter the same port that the service you want to expose is listening on.
-<3> Enter `loadbalancer` as the type.
-<4> Enter the name of the service.
-
+<3> Enter a list of specific IP addresses to restrict traffic through the load balancer. This field is ignored if the cloud-provider does not support the feature.
+<4> Enter `Loadbalancer` as the type.
+<5> Enter the name of the service.
++
+[NOTE]
+====
+To restrict traffic through the load balancer to specific IP addresses, it is recommended to use the `service.beta.kubernetes.io/load-balancer-source-ranges` annotation rather than setting the `loadBalancerSourceRanges` field.
+With the annotation, you can more easily migrate to the OpenShift API, which will be implemented in a future release.
+====
 . Save and exit the file.
 
 . Run the following command to create the service: