diff --git a/tests/metagpt/test_environment.py b/tests/metagpt/test_environment.py
index 472d4cd9d..a0f1f6257 100644
--- a/tests/metagpt/test_environment.py
+++ b/tests/metagpt/test_environment.py
@@ -4,8 +4,6 @@
 @Time    : 2023/5/12 00:47
 @Author  : alexanderwu
 @File    : test_environment.py
-@Modified By: mashenquan, 2023-11-1. According to Chapter 2.2.1 and 2.2.2 of RFC 116, change the data type of
-        the `cause_by` value in the `Message` to a string to support the new message distribution feature.
 """
 
 import pytest