diff --git a/README.md b/README.md
index 78cc4871a..61b41ab1c 100644
--- a/README.md
+++ b/README.md
@@ -137,7 +137,7 @@ invoking:
 ```
 (.venv3)$ python3 tests/mypy_test.py
 ...
-(.venv3)$ python tests/mypy_selftest.py
+(.venv3)$ python3 tests/mypy_selftest.py
 ...
 (.venv3)$ flake8
 ...