diff --git a/ghc-colour.spec b/ghc-colour.spec
index ca74540..d329e94 100644
--- a/ghc-colour.spec
+++ b/ghc-colour.spec
@@ -1,18 +1,19 @@
+# For Haskell Packaging Guidelines see:
+# - https://fedoraproject.org/wiki/Packaging:Haskell
+# - https://fedoraproject.org/wiki/PackagingDrafts/Haskell
+
 %global pkg_name colour
 
-%global common_summary A model for human colour/color perception
+%global common_summary A model for human color perception
 
-%global common_description This package provides a data type for colours and \
-transparency. Colours can be blended and composed. Various \
-colour spaces are supported. A module of colour names \
+%global common_description This package provides a data type for colors and \
+transparency. Colors can be blended and composed. Various \
+color spaces are supported. A module of color names \
 ("Data.Colour.Names") is provided.
 
-# debuginfo is not useful for ghc
-%global debug_package %{nil}
-
 Name:           ghc-%{pkg_name}
 Version:        2.3.1
-Release:        6%{?dist}
+Release:        7%{?dist}
 Summary:        %{common_summary}
 
 Group:          System Environment/Libraries
@@ -20,16 +21,14 @@ License:        MIT
 URL:            http://hackage.haskell.org/package/%{pkg_name}
 Source0:        http://hackage.haskell.org/packages/archive/%{pkg_name}/%{version}/%{pkg_name}-%{version}.tar.gz
 # fedora ghc archs:
-ExclusiveArch:  %{ix86} x86_64 ppc alpha sparcv9
+ExclusiveArch:  %{ix86} x86_64 ppc alpha sparcv9 ppc64
 BuildRequires:  ghc, ghc-doc, ghc-prof
+# macros for building haskell packages
 BuildRequires:  ghc-rpm-macros >= 0.7.3
 BuildRequires:  hscolour
 
 %description
 %{common_description}
-%if %{with shared}
-This package provides the shared library.
-%endif
 
 
 %prep
@@ -45,10 +44,15 @@ This package provides the shared library.
 echo "%{_datadir}/%{pkg_name}-%{version}/" >> %{name}.files
 
 
-%{?ghc_lib_package}
+# define the devel and prof subpkgs, devel post[un] scripts, and filelists:
+# ghc-%pkg_name{,devel,prof}.files
+%ghc_lib_package
 
 
 %changelog
+* Tue May 10 2011 Ben Boeckel <mathstuf@gmail.com> - 2.3.1-7
+- Update to cabal2spec-0.22.6
+
 * Thu Mar 10 2011 Fabio M. Di Nitto <fdinitto@redhat.com> - 2.3.1-6
 - Enable build on sparcv9