diff --git a/MolNexTR/tokenization.py b/MolNexTR/tokenization.py
index 5298f98..318747e 100644
--- a/MolNexTR/tokenization.py
+++ b/MolNexTR/tokenization.py
@@ -1,4 +1,4 @@
-"""tokenizer for output sequence"""
+"""tokenization in tokenizer for output sequence"""
 import os
 import json
 import random