diff --git a/tests/bufr_compare.sh b/tests/bufr_compare.sh
index e77367961..63edee393 100755
--- a/tests/bufr_compare.sh
+++ b/tests/bufr_compare.sh
@@ -56,7 +56,7 @@ set -e
 # Test: comparing with and without the -b switch
 #----------------------------------------------------
 f="syno_1.bufr"
-echo "Test: comparing with and witout the -b switch" >> $fLog
+echo "Test: comparing with and without the -b switch" >> $fLog
 echo "file: $f" >> $fLog
 
 #Alter a key in the file 
@@ -92,6 +92,7 @@ ${tools_dir}/bufr_compare -b dataCategory $f ${fBufrTmp}>> $fLog
 #----------------------------------------------------
 # Change subCentre and compare
 #----------------------------------------------------
+echo "Test: Change subCentre and compare" >> $fLog
 ${tools_dir}/bufr_set -s bufrHeaderSubCentre=12 aaen_55.bufr $fBufrTmp
 set +e
 ${tools_dir}/bufr_compare aaen_55.bufr $fBufrTmp > $fLog 2>&1
@@ -100,9 +101,23 @@ set -e
 [ $status -eq 1 ]
 fgrep -q "[bufrHeaderSubCentre]: [70] != [12]" $fLog
 
+#----------------------------------------------------
+# First argument of bufr_compare is a directory (error)
+#----------------------------------------------------
+echo "Test: First argument of bufr_compare is a directory (error)" >> $fLog
+temp_dir=tempdir.${label}
+mkdir -p $temp_dir
+set +e
+${tools_dir}/bufr_compare $temp_dir aaen_55.bufr >/dev/null
+status=$?
+set -e
+[ $status -eq 1 ]
+rm -fr $temp_dir
+
 #----------------------------------------------------
 # Second argument of bufr_compare is a directory
 #----------------------------------------------------
+echo "Test: Second argument of bufr_compare is a directory" >> $fLog
 temp_dir=tempdir.${label}
 mkdir -p $temp_dir
 infile=aaen_55.bufr
@@ -113,6 +128,7 @@ rm -fr $temp_dir
 #----------------------------------------------------
 # Compare attributes
 #----------------------------------------------------
+echo "Test: Compare attributes" >> $fLog
 set +e
 ${tools_dir}/bufr_compare amv2_87.bufr amv3_87.bufr > $fLog 2>&1
 status=$?
@@ -124,8 +140,9 @@ grep -q "#1#windSpeed->percentConfidence" $fLog
 grep -q "#1#coldestClusterTemperature->percentConfidence" $fLog
 
 #----------------------------------------------------
-# Header only mode
+# Header-only mode
 #----------------------------------------------------
+echo "Test: Header-only mode" >> $fLog
 f="syno_1.bufr"
 cat > $fRules <<EOF
  set unpack=1;
@@ -141,6 +158,7 @@ ${tools_dir}/bufr_compare -H $f $fBufrTmp
 #----------------------------------------------------
 # Compare two-way (symmetric mode)
 #----------------------------------------------------
+echo "Test: Compare two-way (symmetric mode)" >> $fLog
 f=$ECCODES_SAMPLES_PATH/BUFR3.tmpl
 # Add a local section
 ${tools_dir}/bufr_set -s section2Present=1 $f $fBufrTmp
@@ -156,16 +174,17 @@ set -e
 #----------------------------------------------------
 # ECC-656: using relative comparison (-R) with 'all'
 #----------------------------------------------------
+echo "Test: ECC-656: using relative comparison (-R) with 'all'" >> $fLog
 f='airc_142.bufr'
 echo 'set unpack=1;set airTemperature=228; set height=1.037e+04; set pack=1; write;' |\
     ${tools_dir}/codes_bufr_filter -o $fBufrTmp - $f
 ${tools_dir}/bufr_compare -R airTemperature=0.004,height=0.001 $f $fBufrTmp
 ${tools_dir}/bufr_compare -R all=0.004 $f $fBufrTmp
 
-#----------------------------------------------------
-# ECC-658: apply relative comparison (-R) to all
-# ranks of a given key
-#----------------------------------------------------
+#--------------------------------------------------------------------
+# ECC-658: apply relative comparison (-R) to all ranks of a given key
+#--------------------------------------------------------------------
+echo "Test: ECC-658: apply relative comparison (-R) to all ranks of a given key" >> $fLog
 f='PraticaTemp.bufr'
 ${tools_dir}/codes_bufr_filter -o $fBufrTmp - $f <<EOF
  set unpack=1;
@@ -180,6 +199,7 @@ EOF
 # The relative differences are around 3.5e-5. Suppress all instances
 ${tools_dir}/bufr_compare -R airTemperature=4e-5 $f $fBufrTmp
 
+
 # Clean up
 # -------------
 rm -f $fLog $fBufrTmp $fBufrInput1 $fBufrInput2 $fRules
diff --git a/tests/gts_compare.sh b/tests/gts_compare.sh
index e1dce6e92..79ea8f3e4 100755
--- a/tests/gts_compare.sh
+++ b/tests/gts_compare.sh
@@ -55,7 +55,7 @@ if [ $status -eq 0 ]; then
 fi
 
 #----------------------------------------------------
-# Test: comparing with and witout the -b switch
+# Test: comparing with and without the -b switch
 #----------------------------------------------------
 ${tools_dir}//gts_compare -b GG $gts_file $fGtsTmp >> $fLog
 
diff --git a/tests/metar_compare.sh b/tests/metar_compare.sh
index 3322d0d4a..fece81678 100755
--- a/tests/metar_compare.sh
+++ b/tests/metar_compare.sh
@@ -48,7 +48,7 @@ if [ $status -eq 0 ]; then
 fi
 
 #----------------------------------------------------
-# Test: comparing with and witout the -b switch
+# Test: comparing with and without the -b switch
 #----------------------------------------------------
 # ${tools_dir}/metar_compare -b GG $metar_file $fMetarTmp >> $fLog