diff --git a/download_dataset.sh b/download_dataset.sh
index 6cccb15..a38e13e 100644
--- a/download_dataset.sh
+++ b/download_dataset.sh
@@ -22,6 +22,7 @@ fi
 head -n $(expr $data_size / 10 \* 8) data.csv > train.csv
 tail -n $(expr $data_size / 10 \* 2) data.csv > dev.csv.tmp
 
+# Get number of rows in dev.csv.tmp
 dev_size=$(wc -l < dev.csv.tmp)
 
 head -n $(expr $dev_size / 10 \* 5) dev.csv.tmp > dev.csv