Fix for ONOS-5152:Encoder for Disjoint Rest API with NPE:onos-1.7

Change-Id: I172e247353f7d70f6d7761e8a6be27f21b3c2684
diff --git a/web/api/src/main/java/org/onosproject/rest/resources/PathsWebResource.java b/web/api/src/main/java/org/onosproject/rest/resources/PathsWebResource.java
index 5b1494b..856ea9c 100644
--- a/web/api/src/main/java/org/onosproject/rest/resources/PathsWebResource.java
+++ b/web/api/src/main/java/org/onosproject/rest/resources/PathsWebResource.java
@@ -77,12 +77,12 @@
     }
 
     /**
-     * Gets all shortest disjoint paths between any two hosts or devices.
-     * Returns array of all shortest disjoint paths between any two elements.
+     * Gets all shortest disjoint path pairs between any two hosts or devices.
+     * Returns array of all shortest disjoint path pairs between any two elements.
      * @onos.rsModel Paths
      * @param src source identifier
      * @param dst destination identifier
-     * @return 200 OK with array of all shortest disjoint paths between any two elements
+     * @return 200 OK with array of all shortest disjoint path pairs between any two elements
      */
     @GET
     @Produces(MediaType.APPLICATION_JSON)