diff --git a/modules/archive.sh b/modules/archive.sh
index 57def63..330bcc9 100755
--- a/modules/archive.sh
+++ b/modules/archive.sh
@@ -49,6 +49,7 @@ check_input() {
 calc_smart_volumes() {
 	total_size=$(du -s -BM "${input_file}" | grep -oP '^\d+') || return 0
 
+	# If total file size is smaller than volume size, don't pack it into volumes
 	[[ $total_size -lt $size ]] && return 1
 
 	num_volumes=$(echo "($total_size + $size - 1) / $size" | bc)
@@ -65,8 +66,9 @@ set_volumes() {
 	echo "Volumes set to '$volumes'" >&2
 }
 
+# Generates a random archive name of 20 alphanumeric characters
 generate_name() {
-	archive="$archive_dir/$(base64 /dev/urandom | tr -dc [:alnum:] | head -c 20).7z"
+	archive="$archive_dir/$(tr -dc [:alnum:] < /dev/urandom | head -c 20).7z"
 
 	echo "Generated archive name '$archive'" >&2
 }