Fix javadoc warnings

Change-Id: Iff748bf6a5b6653b515059506bb2d4f09d3c9878
diff --git a/apps/routing-api/src/main/java/org/onosproject/routing/config/ReactiveRoutingConfig.java b/apps/routing-api/src/main/java/org/onosproject/routing/config/ReactiveRoutingConfig.java
index 3843c02..aa0b0c7 100644
--- a/apps/routing-api/src/main/java/org/onosproject/routing/config/ReactiveRoutingConfig.java
+++ b/apps/routing-api/src/main/java/org/onosproject/routing/config/ReactiveRoutingConfig.java
@@ -99,6 +99,7 @@
     /**
      *  Gets of the virtual gateway MAC address.
      *
+     * @return virtual gateway MAC address
      */
     public MacAddress virtualGatewayMacAddress() {
         return MacAddress.valueOf(
diff --git a/web/api/src/main/java/org/onosproject/rest/resources/FlowsWebResource.java b/web/api/src/main/java/org/onosproject/rest/resources/FlowsWebResource.java
index f41eb98..1fdb060 100644
--- a/web/api/src/main/java/org/onosproject/rest/resources/FlowsWebResource.java
+++ b/web/api/src/main/java/org/onosproject/rest/resources/FlowsWebResource.java
@@ -244,6 +244,8 @@
 
     /**
      * Removes a batch of flow rules.
+     *
+     * @param stream stream for posted JSON
      */
     @DELETE
     @Produces(MediaType.APPLICATION_JSON)