diff --git a/setup.py b/setup.py
index c1057cf5..1dff9efb 100644
--- a/setup.py
+++ b/setup.py
@@ -1,3 +1,8 @@
+"""
+Empty setup.py necessary for the python-babel integration (e.g. python setup.py extract_messages).
+
+See the configuration in setup.cfg.
+"""
 import setuptools
 
 setuptools.setup()
\ No newline at end of file