Fix incorrect NextId name issue of FlowObjectives swagger doc

Change-Id: I07e0ca429d37f7b458183c1f985d9fa1fa1bf866
diff --git a/web/api/src/main/java/org/onosproject/rest/resources/FlowObjectiveWebResource.java b/web/api/src/main/java/org/onosproject/rest/resources/FlowObjectiveWebResource.java
index 0a1ddbc..be2fc87 100644
--- a/web/api/src/main/java/org/onosproject/rest/resources/FlowObjectiveWebResource.java
+++ b/web/api/src/main/java/org/onosproject/rest/resources/FlowObjectiveWebResource.java
@@ -156,7 +156,7 @@
      * Returns the globally unique nextId.
      *
      * @return nextId
-     * @onos.rsModel nextid
+     * @onos.rsModel NextId
      */
     @GET
     @Path("next")