diff --git a/pkgs/development/libraries/qt-4/default.nix b/pkgs/development/libraries/qt-4/default.nix
index 09427e2f63b3..426be3ef38a7 100644
--- a/pkgs/development/libraries/qt-4/default.nix
+++ b/pkgs/development/libraries/qt-4/default.nix
@@ -1,13 +1,15 @@
 args: with args;
+
 stdenv.mkDerivation {
-  name = "qt-4.4.0";
+  name = "qt-4.4.3";
   
   src = fetchurl {
-    url = ftp://ftp.trolltech.com/qt/source/qt-x11-opensource-src-4.4.0.tar.bz2;
-    sha256 = "871dc71c6c905212f2fea7e6598362114a3b6097c220b0b251f8d159ee7d706e";
+    url = ftp://ftp.trolltech.com/qt/source/qt-x11-opensource-src-4.4.3.tar.bz2;
+    sha256 = "1nfdf1aj6vb7qyacsnjyjxrnaf44hz7vzykf6zra2znd87pglz51";
   };
   
-  setupHook = ./setup-hook.sh;  
+  setupHook = ./setup-hook.sh;
+  
   propagatedBuildInputs = [
     libXft 
     libXrender 
@@ -37,14 +39,25 @@ stdenv.mkDerivation {
     glib 
     libtiff
   ];
+  
   prefixKey = "-prefix ";
-  configureFlags = "
+  
+  configureFlags = ''
     -v -no-separate-debug-info -release
     -system-zlib -system-libpng -system-libjpeg -fast
     -qt-gif -confirm-license
     -opengl -xrender -xrandr -xinerama -xcursor -qt-sql-mysql
     -qdbus -cups -glib -xfixes
-    -fontconfig -I${freetype}/include/freetype2";
+    -fontconfig -I${freetype}/include/freetype2
+  '';
 
-  patchPhase = "sed -e 's@/bin/pwd@pwd@' -i configure; sed -e 's@/usr@/FOO@' -i config.tests/*/*.test -i mkspecs/*/*.conf";
+  patchPhase = ''
+    substituteInPlace configure --replace /bin/pwd pwd
+    sed -e 's@/usr@/FOO@' -i config.tests/*/*.test -i mkspecs/*/*.conf
+  '';
+
+  meta = {
+    homepage = http://www.qtsoftware.com/downloads/opensource/appdev/linux-x11-cpp;
+    description = "A cross-platform application framework for C++";
+  };
 }
diff --git a/pkgs/development/libraries/qt-4/setup-hook.sh b/pkgs/development/libraries/qt-4/setup-hook.sh
index c999124b8efa..36dfabb942c7 100644
--- a/pkgs/development/libraries/qt-4/setup-hook.sh
+++ b/pkgs/development/libraries/qt-4/setup-hook.sh
@@ -1,6 +1,7 @@
 export QTDIR=@out@
+
 if [ -n $qt4BadIncludes ]; then
-	for d in @out@/include/*; do
-		export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -I$d";
-	done;
+    for d in @out@/include/*; do
+	export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -I$d";
+    done;
 fi
diff --git a/pkgs/lib/default.nix b/pkgs/lib/default.nix
index ba91271835e4..349d38f90550 100644
--- a/pkgs/lib/default.nix
+++ b/pkgs/lib/default.nix
@@ -256,6 +256,7 @@ rec {
 
   optionalString = cond: string: if cond then string else "";
 
+  
   # Return the second argument if the first one is true or the empty version
   # of the second argument.
   ifEnable = cond: val:
@@ -266,6 +267,7 @@ rec {
     else if (val == true || val == false) then false
     else null;
 
+    
   # Return a list of integers from `first' up to and including `last'.
   range = first: last:
     if builtins.lessThan last first
@@ -284,7 +286,7 @@ rec {
   logicalOR = x: y: x || y;
   logicalAND = x: y: x && y;
 
-  
+
   # Input : attrSet, [ [name default] ... ], name
   # Output : its value or default.
   getValue = attrSet: argList: name:
diff --git a/pkgs/tools/system/which/default.nix b/pkgs/tools/system/which/default.nix
index 7420cce0e543..3721c0f0be1a 100644
--- a/pkgs/tools/system/which/default.nix
+++ b/pkgs/tools/system/which/default.nix
@@ -1,12 +1,16 @@
-{stdenv, fetchurl, readline}: stdenv.mkDerivation {
+{stdenv, fetchurl, readline}:
+
+stdenv.mkDerivation {
   name = "which-2.20";
+  
   src = fetchurl {
     url = mirror://gnu/which/which-2.20.tar.gz;
     sha256 = "1y2p50zadb36izzh2zw4dm5hvdiydqf3qa88l8kav20dcmfbc5yl";
   };
 
   buildInputs = [readline];
+
+  meta = {
+    homepage = http://ftp.gnu.org/gnu/which/;
+  };
 }
-
-
-