diff --git a/py/_code/_assertionnew.py b/py/_code/_assertionnew.py
index 3db9c0567..1f6164121 100644
--- a/py/_code/_assertionnew.py
+++ b/py/_code/_assertionnew.py
@@ -1,5 +1,5 @@
 """
-Like _assertion.py but using builtin AST.  It should replace _assertion.py
+Like _assertion.py but using builtin AST.  It should replace _assertionold.py
 eventually.
 """