diff --git a/XMonad/Actions/Search.hs b/XMonad/Actions/Search.hs
index 0a78484a..b04b048c 100644
--- a/XMonad/Actions/Search.hs
+++ b/XMonad/Actions/Search.hs
@@ -62,15 +62,17 @@ module XMonad.Actions.Search (   -- * Usage
                                  Browser, Site, Query, Name, Search
                           ) where
 
-import Codec.Binary.UTF8.String (encode)
-import Data.Char (isAlphaNum, isAscii)
-import Data.List (isPrefixOf)
-import Text.Printf
-import XMonad (X(), liftIO)
-import XMonad.Prompt (XPrompt(showXPrompt, nextCompletion, commandToComplete), mkXPrompt, XPConfig(), historyCompletionP, getNextCompletion)
-import XMonad.Prompt.Shell (getBrowser)
-import XMonad.Util.Run (safeSpawn)
-import XMonad.Util.XSelection (getSelection)
+import           Codec.Binary.UTF8.String (encode)
+import           Data.Char                (isAlphaNum, isAscii)
+import           Data.List                (isPrefixOf)
+import           Text.Printf
+import           XMonad                   (X (), liftIO)
+import           XMonad.Prompt            (XPConfig (), XPrompt (showXPrompt, nextCompletion, commandToComplete),
+                                           getNextCompletion,
+                                           historyCompletionP, mkXPrompt)
+import           XMonad.Prompt.Shell      (getBrowser)
+import           XMonad.Util.Run          (safeSpawn)
+import           XMonad.Util.XSelection   (getSelection)
 
 
 {- $usage
@@ -280,7 +282,7 @@ searchEngineF = SearchEngine
 
 -- The engines.
 amazon, alpha, codesearch, deb, debbts, debpts, dictionary, google, hackage, hoogle,
-  images, imdb, isohunt, lucky, maps, mathworld, openstreetmap, scholar, thesaurus, wayback, wikipedia, wiktionary,
+  images, imdb, isohunt, lucky, maps, mathworld, openstreetmap, scholar, stackage, thesaurus, vocabulary, wayback, wikipedia, wiktionary,
   youtube, duckduckgo :: SearchEngine
 amazon        = searchEngine "amazon"        "http://www.amazon.com/exec/obidos/external-search?index=all&keyword="
 alpha         = searchEngine "alpha"         "http://www.wolframalpha.com/input/?i="