diff --git a/datasets/gtsrb.py b/datasets/gtsrb.py
index 92fa9ba..36c8ac0 100644
--- a/datasets/gtsrb.py
+++ b/datasets/gtsrb.py
@@ -1,4 +1,5 @@
-"""Dataset setting and data loader for GTSRB."""
+"""Dataset setting and data loader for GTSRB. Raw format and not use roi info.
+"""
 
 import os
 import torch