[VOL-2699] Fixed: plot title and build labels

Change-Id: I127c3baa31d7a7bafb40f1e3c0f3d3dcf7d8b1c6
diff --git a/jjb/pipeline/voltha-scale-measurements.groovy b/jjb/pipeline/voltha-scale-measurements.groovy
index cc7c160..ae01f94 100644
--- a/jjb/pipeline/voltha-scale-measurements.groovy
+++ b/jjb/pipeline/voltha-scale-measurements.groovy
@@ -25,7 +25,7 @@
     stage('set-description') {
       steps {
         script {
-          currentBuild.description = "${onuPerPon} ONU x ${ponPorts} PON - BBSIM Delay ${BBSIMdelay}"
+          currentBuild.description = "$BUILD_TIMESTAMP"
         }
       }
     }
@@ -181,7 +181,7 @@
       plot([
         csvFileName: 'plot-onu-activation.csv',
         csvSeries: [[displayTableFlag: false, exclusionValues: '', file: 'onu-activation.txt', inclusionFlag: 'OFF', url: ''], [displayTableFlag: false, exclusionValues: '', file: 'total-time.txt', inclusionFlag: 'OFF', url: '']],
-        group: 'Voltha-Scale-Numbers', numBuilds: '100', style: 'line', title: 'Time (${BBSIMdelay} Delay)', yaxis: 'Time (s)'
+        group: 'Voltha-Scale-Numbers', numBuilds: '100', style: 'line', title: "Time (${BBSIMdelay}s Delay)", yaxis: 'Time (s)', useDescr: true
       ])
       script {
         sh '''
@@ -201,4 +201,4 @@
       '''
     }
   }
-}
+}
\ No newline at end of file