diff --git a/Python3.md b/Python3.md
index 95574d1..c8bb8fa 100644
--- a/Python3.md
+++ b/Python3.md
@@ -107,4 +107,4 @@ Here's one way to approach this:
 
 ## Other notes
 
-If you just want to run the tests from the explicitly ported test modules, you can do `python -m allmydata.test.test_python3`.
\ No newline at end of file
+If you just want to run the tests from the explicitly ported test modules, you can do `python -m allmydata.test.python3_tests`.
\ No newline at end of file