diff --git a/egs/hkust/s5/RESULTS b/egs/hkust/s5/RESULTS
index c419c9f6ddd..aac01fcb5af 100644
--- a/egs/hkust/s5/RESULTS
+++ b/egs/hkust/s5/RESULTS
@@ -1,3 +1,5 @@
+## Caution: these WERs are actually CERs.
+
 # for x in exp/*/decode; do [ -d $x ] && grep WER $x/cer_* | utils/best_wer.sh; done
 %WER 80.67 [ 45198 / 56027, 1607 ins, 10733 del, 32858 sub ] exp/mono0a/decode/cer_9_0.0
 %WER 58.79 [ 32939 / 56027, 2662 ins, 6124 del, 24153 sub ] exp/tri1/decode/cer_13_0.0
@@ -41,3 +43,6 @@ exp/nnet2_convnet/decode/cer_10:%WER 41.19 [ 23129 / 56154, 2599 ins, 3782 del,
 # nnet3 mfcc results (using speed perturbed data)
 exp/nnet3/tdnn_sp/decode_dev/cer_10:%WER 33.79 [ 18977 / 56154, 2027 ins, 3485 del, 13465 sub ]
 exp/nnet3/lstm_sp_ld5/decode_dev/cer_9:%WER 33.51 [ 18815 / 56154, 1813 ins, 3249 del, 13753 sub ]
+
+
+#  For nnet3+chain results, which are significantly better, see scripts in local/chain/tuning/.
diff --git a/egs/hkust/s5/local/chain/compare_wer.sh b/egs/hkust/s5/local/chain/compare_wer.sh
index b3376871a69..27a6b783433 100755
--- a/egs/hkust/s5/local/chain/compare_wer.sh
+++ b/egs/hkust/s5/local/chain/compare_wer.sh
@@ -39,25 +39,25 @@ for x in $*; do
 done
 echo
 
-# print decode WER results
-echo -n "# WER(%)               "
+# print decode CER results
+echo -n "# CER(%)               "
 for x in $*; do
   set_names $x
-  wer=$([ -d $x ] && grep WER $x/decode/cer_* | utils/best_wer.sh | awk '{print $2}')
+  wer=$([ -d $x ] && grep CER $x/decode/cer_* | utils/best_wer.sh | awk '{print $2}')
   printf "% 10s" $wer
 done
 echo
 
-# so how about online WER?
+# so how about online CER?
 if $include_online; then
-  echo -n "# WER(%)[online]       "
+  echo -n "# CER(%)[online]       "
   for x in $*; do
     set_names $x
     wer=$(cat ${x}_online/decode/cer_* | utils/best_wer.sh | awk '{print $2}')
     printf "% 10s" $wer
   done
   echo
-  echo -n "# WER(%)[per-utt]      "
+  echo -n "# CER(%)[per-utt]      "
   for x in $*; do
     set_names $x
     wer_per_utt=$(cat ${x}_online/decode_per_utt/cer_* | utils/best_wer.sh | awk '{print $2}')
diff --git a/egs/hkust/s5/local/chain/tuning/run_tdnn_2a.sh b/egs/hkust/s5/local/chain/tuning/run_tdnn_2a.sh
old mode 100644
new mode 100755
index 0fc0de36a45..f771387785c
--- a/egs/hkust/s5/local/chain/tuning/run_tdnn_2a.sh
+++ b/egs/hkust/s5/local/chain/tuning/run_tdnn_2a.sh
@@ -5,9 +5,9 @@
 # Results
 # local/chain/compare_wer.sh --online exp/chain/tdnn_7h_chain_2b_sp
 # Model                tdnn_7h_chain_2b_sp
-# WER(%)                    23.67
-# WER(%)[online]            23.69
-# WER(%)[per-utt]           24.67
+# CER(%)                    23.67
+# CER(%)[online]            23.69
+# CER(%)[per-utt]           24.67
 # Final train prob        -0.0895
 # Final valid prob        -0.1251
 # Final train prob (xent)   -1.3628