diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -2,4 +2,4 @@
 
 ## v0.1.0.0
 
-* Hashabkle instance for ixset-typed.
+* Hashable instance for ixset-typed.
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,1 +1,3 @@
 # ixset-typed-hashable-instance
+
+`Hashable` instance for [ixset-typed](https://hackage.haskell.org/package/ixset-typed).
diff --git a/ixset-typed-hashable-instance.cabal b/ixset-typed-hashable-instance.cabal
--- a/ixset-typed-hashable-instance.cabal
+++ b/ixset-typed-hashable-instance.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           ixset-typed-hashable-instance
-version:        0.1.0.1
+version:        0.1.0.2
 synopsis:       Hashable instance for ixset-typed.
 description:    Please see the README on GitHub at <https://github.com/githubuser/ixset-typed-hashable-instance#readme>
 category:       Data Structures
diff --git a/src/Data/IxSet/Typed/Hashable.hs b/src/Data/IxSet/Typed/Hashable.hs
--- a/src/Data/IxSet/Typed/Hashable.hs
+++ b/src/Data/IxSet/Typed/Hashable.hs
@@ -1,3 +1,11 @@
+{- |
+   Module     : Data.IxSet.Typed.Hashable
+   License    : MIT
+   Stability  : experimental
+
+Hashable instance for ixset-typed.
+-}
+{-# OPTIONS_GHC -fno-warn-orphans #-}
 module Data.IxSet.Typed.Hashable where
 
 import Data.IxSet.Typed
