diff --git a/gpt_engineer/ai.py b/gpt_engineer/ai.py
index 195aaa6..6430c37 100644
--- a/gpt_engineer/ai.py
+++ b/gpt_engineer/ai.py
@@ -2,6 +2,8 @@ from __future__ import annotations
 
 import logging
 
+from typing import Dict, List
+
 import openai
 
 logger = logging.getLogger(__name__)
@@ -29,7 +31,7 @@ class AI:
     def fassistant(self, msg):
         return {"role": "assistant", "content": msg}
 
-    def next(self, messages: list[dict[str, str]], prompt=None):
+    def next(self, messages: List[Dict[str, str]], prompt=None):
         if prompt:
             messages += [{"role": "user", "content": prompt}]
 
diff --git a/gpt_engineer/preprompts/generate b/gpt_engineer/preprompts/generate
index 500d344..4f1e643 100644
--- a/gpt_engineer/preprompts/generate
+++ b/gpt_engineer/preprompts/generate
@@ -14,6 +14,8 @@ FILENAME
 CODE
 ```
 
+Do not comment on what every file does
+
 You will start with the "entrypoint" file, then go to the ones that are imported by that file, and so on.
 Please note that the code should be fully functional. No placeholders.