diff --git a/test.sh b/test.sh
index 45777a5..9ddc241 100755
--- a/test.sh
+++ b/test.sh
@@ -9,6 +9,15 @@ if [ -n "$1" ] ; then
         echo " -h  Show this usage help"
         echo " -f  Do 'flake8' test of grabserial syntax"
         echo " -l  Do 'pylint' test of grabserial source"
+        echo ""
+        echo "By default (with no arguments), test.sh will run 2 tests on"
+        echo "the board 'bbb' (using the ttc command) using the default"
+        echo "python interpreter, and then 2 more test using the python3"
+        echo "interpreter"
+        echo ""
+        echo "On the second test of each set you should log in to the"
+        echo "board when the login prompt appears. This tests interactive"
+        echo "input to the board during grabserial operation."
         exit 0
     fi
     if [ "$1" = "-f" ] ; then
@@ -19,7 +28,7 @@ if [ -n "$1" ] ; then
     if [ "$1" = "-l" ] ; then
         echo "Running pylint to analyze grabserial source"
         # C0325 is unnecessary-parens (in python 2.0, parens for prints
-        # is encouraged to make them forward-compatible with python 3.0
+        # is encouraged to make them forward-compatible with python 3.0)
         pylint --disable=C0325 grabserial
         exit $?
     fi
@@ -40,8 +49,10 @@ console_dev="$(ttc info bbb -n console_dev)"
 # Also, use ttc to reboot bbb
 
 # use ttc to reboot my beaglebone black
+echo "==================================="
 echo "Testing with python 2"
 echo "  60 second grab, stopping when 'login' is seen"
+echo "==================================="
 
 # do the reboot after grabserial is started
 (sleep 1 ; ttc reboot bbb) &
@@ -56,27 +67,35 @@ echo "  60 second grab, stopping when 'login' is seen"
 ./grabserial  -v -S -d ${console_dev} -e 60 -t -m "Starting kernel" -i "FAQ" -q "login" -o graboutput.log
 
 echo
-
+echo "==================================="
+echo "Testing with python 2"
 echo "  120 second grab, try logging in (test user input to serial port)"
+echo "==================================="
+
 (sleep 1 ; ttc reboot bbb) &
 
 # run for two minutes, allowing user to login (using threaded input)
 ./grabserial  -v -S -d ${console_dev} -e 120 -t -o graboutput2.log
 
-echo 
+echo
 
+echo "==================================="
 echo "Testing with python 3"
 echo "  60 second grab, stopping when 'login' is seen"
+echo "==================================="
 (sleep 1 ; ttc reboot bbb) &
 
 python3 ./grabserial  -v -S -d ${console_dev} -e 60 -t -m "Starting kernel" -i "FAQ" -q "login" -o graboutput3.log
 
 echo
 
+echo "==================================="
+echo "Testing with python 3"
 echo "  120 second grab, try logging in (test user input to serial port)"
+echo "==================================="
 (sleep 1 ; ttc reboot bbb) &
 python3 ./grabserial  -v -S -d ${console_dev} -e 120 -t -o graboutput4.log
 
-echo 
+echo
 
 echo "Done in test.sh"