diff --git a/Accordion.hs b/Accordion.hs
index 0b47c70b..66043f8c 100644
--- a/Accordion.hs
+++ b/Accordion.hs
@@ -23,7 +23,7 @@ import qualified StackSet as W
 import Graphics.X11.Xlib
 import Data.Ratio
 
--- $ usage
+-- $usage
 -- > import XMonadContrib.Accordion
 -- > defaultLayouts = [ accordion ]
 
diff --git a/Circle.hs b/Circle.hs
index 32f8b345..3934847a 100644
--- a/Circle.hs
+++ b/Circle.hs
@@ -3,7 +3,7 @@
 -- Module      :  XMonadContrib.Circle
 -- Copyright   :  (c) Peter De Wachter
 -- License     :  BSD-style (see LICENSE)
--- 
+--
 -- Maintainer  :  Peter De Wachter <pdewacht@gmail.com>
 -- Stability   :  unstable
 -- Portability :  unportable
diff --git a/LayoutHints.hs b/LayoutHints.hs
index ab23ebe5..274c0376 100644
--- a/LayoutHints.hs
+++ b/LayoutHints.hs
@@ -13,7 +13,7 @@
 
 module XMonadContrib.LayoutHints (
     -- * usage
-    -- $ usage
+    -- $usage
     layoutHints) where
 
 import Operations ( applySizeHints, D )
@@ -22,7 +22,7 @@ import Graphics.X11.Xlib.Extras ( getWMNormalHints )
 import {-#SOURCE#-} Config (borderWidth)
 import XMonad hiding ( trace )
 
--- $ usage
+-- $usage
 -- > import XMonadContrib.LayoutHints
 -- > defaultLayouts = [ layoutHints tiled , layoutHints $ mirror tiled ]
 
diff --git a/MagicFocus.hs b/MagicFocus.hs
index a94db82d..cfe48b7a 100644
--- a/MagicFocus.hs
+++ b/MagicFocus.hs
@@ -13,13 +13,13 @@
 
 module XMonadContrib.MagicFocus (
                  -- * Usage
-                 -- $ usage
+                 -- $usage
                  magicFocus) where
 
 import XMonad
 import StackSet
 
--- $ usage
+-- $usage
 -- > import XMonadContrib.MagicFocus
 -- > defaultLayouts = [ magicFocus tiled , magicFocus $ mirror tiled ]
 
diff --git a/Mosaic.hs b/Mosaic.hs
index 7b08f796..3d837cfd 100644
--- a/Mosaic.hs
+++ b/Mosaic.hs
@@ -14,7 +14,7 @@
 -- ratios configurable at run-time by the user.
 --
 -----------------------------------------------------------------------------
-module XMonadContrib.Mosaic ( 
+module XMonadContrib.Mosaic (
                              -- * Usage
                              -- $usage
                              mosaic, expandWindow, shrinkWindow, squareWindow, myclearWindow,