diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,5 @@
 # Changelog for path-binary-instance
 
-## Unreleased changes
+# v0.1.0.0
+
+* Binary instance for path.
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,1 +1,3 @@
 # path-binary-instance
+
+`Binary` instance for [path](https://hackage.haskell.org/package/path).
diff --git a/path-binary-instance.cabal b/path-binary-instance.cabal
--- a/path-binary-instance.cabal
+++ b/path-binary-instance.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           path-binary-instance
-version:        0.1.0.0
+version:        0.1.0.1
 synopsis:       Binary instance for Path.
 description:    Binary instance for Path.
 category:       Filesystem
diff --git a/src/Path/Binary.hs b/src/Path/Binary.hs
--- a/src/Path/Binary.hs
+++ b/src/Path/Binary.hs
@@ -1,3 +1,11 @@
+{- |
+   Module     : Path.Binary
+   License    : MIT
+   Stability  : experimental
+
+Binary instance for `Path`.
+-}
+{-# OPTIONS_GHC -fno-warn-orphans #-}
 {-# LANGUAGE DeriveAnyClass     #-}
 {-# LANGUAGE FlexibleInstances  #-}
 {-# LANGUAGE StandaloneDeriving #-}