diff --git a/lib/modules/manager/pip_setup/readme.md b/lib/modules/manager/pip_setup/readme.md
index b3efeec01524c1..0b7b0442bbf15d 100644
--- a/lib/modules/manager/pip_setup/readme.md
+++ b/lib/modules/manager/pip_setup/readme.md
@@ -1 +1 @@
-`setup.py` files are parsed by calling out to `python` and then using a mock to detect imported modules.
+Renovate uses a JavaScript-based parser to process the `pip_setup` files.