diff --git a/Boolean.cabal b/Boolean.cabal
--- a/Boolean.cabal
+++ b/Boolean.cabal
@@ -1,5 +1,5 @@
 Name:                Boolean
-Version:             0.2.1
+Version:             0.2.2
 Synopsis:            Generalized booleans and numbers
 Category:            Data
 Cabal-Version:       >= 1.6
diff --git a/src/Data/Boolean/Numbers.hs b/src/Data/Boolean/Numbers.hs
--- a/src/Data/Boolean/Numbers.hs
+++ b/src/Data/Boolean/Numbers.hs
@@ -4,7 +4,7 @@
 
 {-# OPTIONS_GHC -Wall #-}
 
--- -----------------------------------------------------------------------
+-------------------------------------------------------------------------
 -- |
 -- Module      :  Data.Boolean.Numbers
 -- Copyright   :  (c) Jan Bracker 2013
@@ -17,10 +17,11 @@
 -- functions that would break a potential deep embedding are removed
 -- or generalized to support deep embeddings.
 -- 
--- The class hirarchy for numeric types keeps as close as possible to the 
--- 'Prelude' hirarchy. A great part of the default implementation and comments
+-- The class hierarchy for numeric types keeps as close as possible to the 
+-- 'Prelude' hierarchy. A great part of the default implementation and comments
 -- are copied and adopted from 'Prelude'.
--- -----------------------------------------------------------------------
+--
+-------------------------------------------------------------------------
 
 module Data.Boolean.Numbers 
   ( NumB(..)