diff --git a/matrix_webhook/__main__.py b/matrix_webhook/__main__.py
index ff32a7b..18d4fcc 100644
--- a/matrix_webhook/__main__.py
+++ b/matrix_webhook/__main__.py
@@ -5,6 +5,7 @@ from . import app, conf
 
 
 def main():
+    """Start everything."""
     log_format = "%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(message)s"
     logging.basicConfig(level=50 - 10 * conf.VERBOSE, format=log_format)
     app.run()