diff --git a/TestON/JenkinsFile/Trend_Graph_Generator b/TestON/JenkinsFile/Trend_Graph_Generator
index 3430b40..fbdd54b 100644
--- a/TestON/JenkinsFile/Trend_Graph_Generator
+++ b/TestON/JenkinsFile/Trend_Graph_Generator
@@ -1,32 +1,62 @@
+// Copyright 2017 Open Networking Foundation (ONF)
+//
+// Please refer questions to either the onos test mailing list at <onos-test@onosproject.org>,
+// the System Testing Plans and Results wiki page at <https://wiki.onosproject.org/x/voMg>,
+// or the System Testing Guide page at <https://wiki.onosproject.org/x/WYQg>
+//
+//     TestON is free software: you can redistribute it and/or modify
+//     it under the terms of the GNU General Public License as published by
+//     the Free Software Foundation, either version 2 of the License, or
+//     (at your option) any later version.
+//
+//     TestON is distributed in the hope that it will be useful,
+//     but WITHOUT ANY WARRANTY; without even the implied warranty of
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//     GNU General Public License for more details.
+//
+//     You should have received a copy of the GNU General Public License
+//     along with TestON.  If not, see <http://www.gnu.org/licenses/>.
+
+// This is the Jenkins script for manual-graph-generator-trend
+
 #!groovy
+
+// read the dependency functions
 funcs = evaluate readTrusted( 'TestON/JenkinsFile/dependencies/JenkinsCommonFuncs.groovy' )
 fileRelated = evaluate readTrusted( 'TestON/JenkinsFile/dependencies/JenkinsPathAndFiles.groovy' )
 
 fileRelated.init()
+
+// read the node cluster ( VM or BM or Fabrics ) from the Jenkins job.
 nodeCluster = params.NodeCluster
 
 funcs.initializeTrend( nodeCluster );
+
+// do additional check for Fabric since it will be different depends on which branch it is running on.
 if( nodeCluster == "Fabric" )
   funcs.additionalInitForSR( params.ONOSbranch )
 def prop = null
 prop = funcs.getProperties()
 
+// get the list of the tests from the parameters.
 def Tests = params.Test
 prop[ "ONOSBranch" ] = params.ONOSbranch
 
-
+// set some of the paths of the file and directory
 graph_generator_file = fileRelated.trendIndividual
 graph_saved_directory = fileRelated.jenkinsWorkspace + "postjob-" + nodeCluster + ( nodeCluster == "Fabric" ? funcs.fabricOn( prop[ "ONOSBranch" ] ) : "" ) + "/"
 
 def testsToRun = null
 testsToRun = funcs.getTestsToRun( Tests )
 
+// set functions into the dictionary.
 def tests = [:]
 for( String test : testsToRun ){
     println test
     tests[ test ] = funcs.runTest( test, true, prop, test, true, [], graph_generator_file, graph_saved_directory )
 }
 
-for ( test in tests.keySet() ){
-    tests[ test ].call()
-}
+parallel tests
+//for ( test in tests.keySet() ){
+//    tests[ test ].call()
+//}