diff --git a/rwx/__main__.py b/rwx/__main__.py
index ddeeba8..f6276e4 100755
--- a/rwx/__main__.py
+++ b/rwx/__main__.py
@@ -1,4 +1,7 @@
 #! /usr/bin/env python3
+
+"""Entry point."""
+
 from pathlib import Path
 
 import fs