diff --git a/Linux/Arch/Aur/Types.hs b/Linux/Arch/Aur/Types.hs
--- a/Linux/Arch/Aur/Types.hs
+++ b/Linux/Arch/Aur/Types.hs
@@ -9,6 +9,7 @@
 module Linux.Arch.Aur.Types
     ( AurInfo(..) ) where
 
+import Control.Applicative ((<|>))
 import Control.Monad (mzero)
 import Data.Aeson
 import Data.Text
@@ -27,7 +28,7 @@
                        , popularityOf     :: Float
                        , dateObsoleteOf   :: Maybe Int
                        , aurMaintainerOf  :: Maybe Text
-                       , submissionDatOf  :: Int
+                       , submissionDateOf :: Int
                        , modifiedDateOf   :: Int
                        , urlPathOf        :: Text
                        , dependsOf        :: [Text]
@@ -48,8 +49,8 @@
                            v .:  "URL"                <*>
                            v .:  "NumVotes"           <*>
                            v .:  "Popularity"         <*>
-                           v .:? "OutOfDate"          <*>
-                           v .:? "Maintainer"         <*>
+                           (v .: "OutOfDate"  <|> pure Nothing) <*>
+                           (v .: "Maintainer" <|> pure Nothing) <*>
                            v .:  "FirstSubmitted"     <*>
                            v .:  "LastModified"       <*>
                            v .:  "URLPath"            <*>
@@ -58,6 +59,5 @@
                            v .:? "OptDepends"  .!= [] <*>
                            v .:? "Conflicts"   .!= [] <*>
                            v .:? "Provides"    .!= []
-                               where f :: Int -> Bool
-                                     f = (/= 0)
-    parseJSON _          = mzero
+
+    parseJSON _ = mzero
diff --git a/aur.cabal b/aur.cabal
--- a/aur.cabal
+++ b/aur.cabal
@@ -1,10 +1,6 @@
--- Initial aur.cabal generated by cabal init.  For further documentation, 
--- see http://haskell.org/cabal/users-guide/
-
--- The name of the package.
 name:                aur
 
-version:             4.0.1
+version:             4.0.2
 
 synopsis:            Access metadata from the Arch Linux User Repository.
 
@@ -22,7 +18,6 @@
 
 build-type:          Simple
 
--- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.10
 
 description:         Access package information from Arch Linux's AUR via its
@@ -46,19 +41,12 @@
   type:     git
   location: git://github.com/aurapm/haskell-aur.git
 
--- Extra files to be distributed with the package, such as examples or a
--- README.
--- extra-source-files:
-
 library
   exposed-modules:     Linux.Arch.Aur,
                        Linux.Arch.Aur.Pkgbuild,
                        Linux.Arch.Aur.Rpc,
                        Linux.Arch.Aur.Types
   
-  -- Modules included in this library but not exported.
-  -- other-modules:       
-  
   other-extensions:    OverloadedStrings, ScopedTypeVariables
   
   build-depends:       base >=4.8 && <4.9,
@@ -71,8 +59,5 @@
                        text >=1.1 && <1.3,
                        vector >=0.10,
                        wreq >=0.4
-  
-  -- Directories containing source files.
-  -- hs-source-dirs:      
   
   default-language:    Haskell2010