diff --git a/readme.rst b/readme.rst
index c9c0fc3..8d0bbd7 100644
--- a/readme.rst
+++ b/readme.rst
@@ -34,7 +34,7 @@ Execute the following::
 
 Clean everything::
 
-   rm -rf composer.lock vendor web Tests phpunit.xml.dist infection.json.dist Results
+   git clean -dfx
 
 Installation development dependencies using composer::