diff --git a/cluster_basic/Matlab_runtime.sh b/cluster_basic/Matlab_runtime.sh
index 33023e9..87af767 100755
--- a/cluster_basic/Matlab_runtime.sh
+++ b/cluster_basic/Matlab_runtime.sh
@@ -1,28 +1,71 @@
 #!/bin/bash
+#
+print_help()
+{
+    echo "=================================================================" >&2
+    echo "                 DCSR, University of Lausanne                    " >&2
+    echo "                                                                 " >&2
+    echo "Usage  : sh $0                                                   " >&2
+    echo "                                                                 " >&2
+    echo "Purpose: shows how to use Matlab runtime environment.            " >&2
+    echo "                                                                 " >&2
+    echo "To do  : nothing, simply run the script.                         " >&2
+    echo "                                                                 " >&2
+    echo "=================================================================" >&2
 
+    exit 1
+}
+
+# Check command line options
+# --------------------------
+if [ "$#" == "1" ]; then 
+    if [ "$1" == "-h" ] || [ "$1" == "--help" ]; then
+        $(print_help)
+    else
+        echo; echo "FATAL: only accepted options are -h and --help."; echo
+    fi
+    exit 1
+fi
+if [ "$#" -ge "2" ]; then
+    echo; echo "FATAL: only accepts a single option (-h or --help)"; echo
+    exit 1
+fi
+
+
+# STEP 1: load the Matlab Compiler Runtime module
+#         Note: this will define the $MCR_PATH environment variable
+# -----------------------------------------------------------------
 module purge
+module load Development/Languages/Matlab_Compiler_Runtime/v96
+echo; echo "STEP 1:"
+module list
+echo; echo "MCR_PATH = $MCR_PATH"
+echo; echo
 
 
-# STEP 0: define which Matlab script to run (without ".m" at the end!)
+# STEP 2: define which Matlab script to run (without ".m" at the end!)
 # --------------------------------------------------------------------
 MATLAB_SCRIPT=Matlab_script
+echo "STEP 2: will be running the following script: $MATLAB_SCRIPT.m"
+echo; echo
 
 
-# STEP 1: run the script (no GUI)
+# STEP 3: run the script (no GUI)
 # -------------------------------
-echo "STEP 1: Running the script with Matlab"
+echo "STEP 3: Running the script with Matlab"
 matlab -nodisplay -nosplash -nodesktop\
  -r "try, $MATLAB_SCRIPT; catch, disp('Matlab failed to run the script!'), end, quit"
+echo; echo
 
-
-# STEP 2: compile the code with Matlab mcc
+# STEP 4: compile the code with Matlab mcc
 # ----------------------------------------
-echo "STEP 2: Compiling the code with mcc"
+echo "STEP 4: Compiling the code with mcc"
 mcc -v -m $MATLAB_SCRIPT.m
 echo; echo
 
 
-# STEP 3: execute the code with Matlab runtime
+# STEP 5: execute the code with Matlab runtime
 # --------------------------------------------
-echo "STEP 3: Running with Matlab runtime"
-sh run_$MATLAB_SCRIPT.sh /software/local/Development/Languages/Matlab_Compiler_Runtime/v96
+echo "STEP 5: Running with Matlab Compiler Runtime"
+sh run_$MATLAB_SCRIPT.sh $MCR_PATH
+echo; echo