diff --git a/HISTORY.md b/HISTORY.md
index 39f2f9146..6b78be2be 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,9 @@
 # Release history
 
+### main branch on github
+
+- Stronger GPT-3.5 prompt against skipping/eliding code in replies (51.9% benchmark, no regression)
+
 ### v0.10.1
 
 - /add and /drop always use paths relative to the git root
diff --git a/aider/coders/wholefile_prompts.py b/aider/coders/wholefile_prompts.py
index 68882f66f..53aa2a60c 100644
--- a/aider/coders/wholefile_prompts.py
+++ b/aider/coders/wholefile_prompts.py
@@ -30,6 +30,7 @@ Every *file listing* MUST use this format:
 - Final line: closing {fence[1]}
 
 To suggest changes to a file you MUST return a *file listing* that contains the entire content of the file.
+*NEVER* skip, omit or elide content from a *file listing* using "..." or by adding comments like "... rest of code..."!
 Create a new file you MUST return a *file listing* which includes an appropriate filename, including any appropriate path.
 """