diff --git a/src/Path.hs b/src/Path.hs
index 4f24494..d4fd6f8 100644
--- a/src/Path.hs
+++ b/src/Path.hs
@@ -1,3 +1,14 @@
+-- |
+-- Module      :  Path
+-- Copyright   :  © 2015–2016 FP Complete
+-- License     :  BSD 3 clause
+--
+-- Maintainer  :  Chris Done <chrisdone@fpcomplete.com>
+-- Stability   :  experimental
+-- Portability :  portable
+--
+-- Support for well-typed paths.
+
 {-# LANGUAGE TemplateHaskell #-}
 {-# LANGUAGE DeriveDataTypeable #-}
 {-# LANGUAGE EmptyDataDecls #-}