diff --git a/tutorials/cfdemSolverIB/falling_sphere_two_way_coupling/Allclean.sh b/tutorials/cfdemSolverIB/falling_sphere_two_way_coupling/Allclean.sh
index 50302aa1..3360c516 100755
--- a/tutorials/cfdemSolverIB/falling_sphere_two_way_coupling/Allclean.sh
+++ b/tutorials/cfdemSolverIB/falling_sphere_two_way_coupling/Allclean.sh
@@ -1,21 +1,18 @@
 #!/bin/bash
-
-#===================================================================#
-# allclean script for testcase
+#------------------------------------------------------------------------------
+# Allclean script for falling sphere test case
 # clean CFD and DEM part
-# Achuth N. Balachandran Nair - Oct. 2018
-#===================================================================#
+# Achuth N. Balachandran Nair - October 2018
+#------------------------------------------------------------------------------
 
-#- source CFDEM env vars
+#- source environment variables
 . ~/.bashrc
 
-#- include functions
+#- source CFDEM functions
 source $CFDEM_PROJECT_DIR/etc/functions.sh
 
-#--------------------------------------------------------------------------------#
 #- define variables
 casePath="$(dirname "$(readlink -f ${BASH_SOURCE[0]})")"
-#--------------------------------------------------------------------------------#
 
 #- clean up case
 echo "deleting data at: $casePath"
diff --git a/tutorials/cfdemSolverIB/falling_sphere_two_way_coupling/Allrun.sh b/tutorials/cfdemSolverIB/falling_sphere_two_way_coupling/Allrun.sh
index 69df21d2..d1b1e2d6 100755
--- a/tutorials/cfdemSolverIB/falling_sphere_two_way_coupling/Allrun.sh
+++ b/tutorials/cfdemSolverIB/falling_sphere_two_way_coupling/Allrun.sh
@@ -1,10 +1,9 @@
 #!/bin/bash
-
-#===================================================================#
-# allrun script for testcase
+#------------------------------------------------------------------------------
+# allrun script for falling sphere testcase
 # run falling_sphere_two_way_coupling
 # Achuth N. Balachandran Nair - Oct. 2018
-#===================================================================#
+#------------------------------------------------------------------------------
 
 source $CFDEM_PROJECT_DIR/etc/functions.sh
 
@@ -22,6 +21,5 @@ else
     blockMesh
 fi
 
-
-#gnome-terminal --title='cfdemSolverIB twoSpheresGlowinskiMPI CFD' -e "bash $casePath/parCFDDEMrun.sh"
+#- run parallel CFD-DEM
 bash $casePath/parCFDDEMrun.sh
diff --git a/tutorials/cfdemSolverIB/falling_sphere_two_way_coupling/parCFDDEMrun.sh b/tutorials/cfdemSolverIB/falling_sphere_two_way_coupling/parCFDDEMrun.sh
index 35056e98..7df8a47b 100644
--- a/tutorials/cfdemSolverIB/falling_sphere_two_way_coupling/parCFDDEMrun.sh
+++ b/tutorials/cfdemSolverIB/falling_sphere_two_way_coupling/parCFDDEMrun.sh
@@ -1,10 +1,9 @@
 #!/bin/bash
-
-#===================================================================#
-# CFDDEMrun script for testcase
+#------------------------------------------------------------------------------
+# parCFDDEMrun script for falling sphere testcase
 # run falling_sphere_two_way_coupling
 # Achuth N. Balachandran Nair - Oct. 2018
-#===================================================================#
+#------------------------------------------------------------------------------
 
 #- source CFDEM env vars
 . ~/.bashrc
@@ -12,7 +11,7 @@
 #- include functions
 source $CFDEM_PROJECT_DIR/etc/functions.sh
 
-#--------------------------------------------------------------------------------#
+#------------------------------------------------------------------------------
 #- define variables
 casePath="$(dirname "$(readlink -f ${BASH_SOURCE[0]})")"
 logpath=$casePath
@@ -25,7 +24,7 @@ debugMode="off"          # on | off| strict
 testHarnessPath="$CFDEM_TEST_HARNESS_PATH"
 runOctave="false"
 postproc="false"
-#--------------------------------------------------------------------------------#
+#------------------------------------------------------------------------------
 
 #- call function to run a parallel CFD-DEM case
 parCFDDEMrun $logpath $logfileName $casePath $headerText $solverName $nrProcs $machineFileName $debugMode