Fixing javadocs.

Change-Id: Ifc894fce6366baf6cfed655b4bfc5885710be77c
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/resource/label/LabelResource.java b/incubator/api/src/main/java/org/onosproject/incubator/net/resource/label/LabelResource.java
index 612240f..36d3111 100644
--- a/incubator/api/src/main/java/org/onosproject/incubator/net/resource/label/LabelResource.java
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/resource/label/LabelResource.java
@@ -16,8 +16,9 @@
     DeviceId deviceId();
 
     /**
-     * Returns labelResource Id.
-     * @return LabelResourceId
+     * Returns label resource identifier.
+     *
+     * @return resource id
      */
     LabelResourceId labelResourceId();
 }