diff --git a/alpha_insert.sh b/alpha_insert.sh
index 2169e5a..ed9be3a 100755
--- a/alpha_insert.sh
+++ b/alpha_insert.sh
@@ -3,7 +3,7 @@ temp_file="temp.sort"
 num_insertions=0
 num_duplicates=0
 
-# Copy contents of second file into first file
+# Append contents of new_file into main_file
 # ensuring no duplicates.
 while read p; do
   if [ $(grep -w $p $2 | wc -l) -eq 0 ]; then
@@ -17,6 +17,7 @@ done < $1
 echo "NUMBER OF INSERTIONS: $num_insertions"
 echo "NUMBER OF DUPLICATES: $num_duplicates"
 
+# Sort main_file
 sort $2 > $temp_file
 cat $temp_file > $2
 rm -f $temp_file