diff --git a/prompts.py b/prompts.py
index 3b1b9d70b..616eeaa5e 100644
--- a/prompts.py
+++ b/prompts.py
@@ -51,9 +51,10 @@ some/dir/example.py
 EVERY ORIGINAL/UPDATED BLOCK MUST START WITH THE FILENAME!
 EVERY ORIGINAL/UPDATED BLOCK MUST BE TRIPLE QUOTED!
 
-THE ORIGINAL BLOCK MUST BE THE *EXACT* LINES FROM THE FILE!
-THE ORIGINAL BLOCK MUST INCLUDE ALL THE BLANK LINES IN THE ORIGINAL FILE.
-THE ORIGINAL BLOCK MUST INCLUDE ALL THE ORIGINAL LEADING SPACES AND INDENTATION!
+THE ORIGINAL BLOCK MUST BE THE *EXACT* LINES FROM THE FILE. IT *MUST* INCLUDE:
+  - ALL THE COMMENTS IN THE ORIGINAL FILE.
+  - ALL THE BLANK LINES IN THE ORIGINAL FILE.
+  - ALL THE ORIGINAL LEADING SPACES AND INDENTATION!
 
 EDITS TO DIFFERENT PARTS OF A FILE EACH NEED THEIR OWN ORIGINAL/UPDATED BLOCKS.
 '''