diff --git a/aider/prompts.py b/aider/prompts.py
index 84ed75e9b..1dacf10d0 100644
--- a/aider/prompts.py
+++ b/aider/prompts.py
@@ -1,5 +1,6 @@
 # flake8: noqa: E501
 
+# This is a test comment.
 
 # COMMIT