Fixing javadocs.

Change-Id: I9e6b3d7eb08d17d4ad450277a1279f6aaefd4640
diff --git a/src/main/java/org/onosproject/segmentrouting/RoutingRulePopulator.java b/src/main/java/org/onosproject/segmentrouting/RoutingRulePopulator.java
index 337b1f3..e5cf69f 100644
--- a/src/main/java/org/onosproject/segmentrouting/RoutingRulePopulator.java
+++ b/src/main/java/org/onosproject/segmentrouting/RoutingRulePopulator.java
@@ -53,7 +53,7 @@
     /**
      * Creates a RoutingRulePopulator object.
      *
-     * @param srManager
+     * @param srManager segment routing manager reference
      */
     public RoutingRulePopulator(SegmentRoutingManager srManager) {
         this.srManager = srManager;