Minor fix to y-axis title of CHO error graph

Change-Id: Ife73b6e7b3341293ce4613331c2be54c70eba075
diff --git a/TestON/JenkinsFile/wikiGraphRScripts/trendCHO.R b/TestON/JenkinsFile/wikiGraphRScripts/trendCHO.R
index 67d5142..b1ef7a7 100644
--- a/TestON/JenkinsFile/wikiGraphRScripts/trendCHO.R
+++ b/TestON/JenkinsFile/wikiGraphRScripts/trendCHO.R
@@ -18,7 +18,7 @@
 #     along with TestON.  If not, see <http://www.gnu.org/licenses/>.
 #
 # Example script:
-# Rscript trendCHO event.csv failure.csv error.csv master 60 /path/to/save/directory/
+# Rscript trendCHO event.csv failure.csv error.csv master 60 168 /path/to/save/directory/
 
 # **********************************************************
 # STEP 1: Data management.
@@ -522,7 +522,7 @@
 
 print( "Generating 'errors' graph data." )
 
-yLabel <- ylab( "Errors" )
+yLabel <- ylab( "Warnings/Errors" )
 
 xScaleConfig <- scale_x_continuous( breaks = errors_dataFrame$iterative,
                                     label = errors_dataFrame$timeStamps )