diff --git a/ghc-bytestring-trie.spec b/ghc-bytestring-trie.spec
index 781d1fa..4439b23 100644
--- a/ghc-bytestring-trie.spec
+++ b/ghc-bytestring-trie.spec
@@ -1,3 +1,7 @@
+# For Haskell Packaging Guidelines see:
+# - https://fedoraproject.org/wiki/Packaging:Haskell
+# - https://fedoraproject.org/wiki/PackagingDrafts/Haskell
+
 %global pkg_name bytestring-trie
 
 %global common_summary An efficient finite map from (byte)strings to values
@@ -11,12 +15,9 @@ but they're also quick for lookups and insertions.
 
 %global ghc_pkg_deps ghc-binary-devel
 
-# debuginfo is not useful for ghc
-%global debug_package %{nil}
-
 Name:           ghc-%{pkg_name}
 Version:        0.2.3
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        %{common_summary}
 
 Group:          System Environment/Libraries
@@ -24,17 +25,15 @@ License:        BSD
 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
 %{?ghc_pkg_deps:BuildRequires:  %{ghc_pkg_deps}, %(echo %{ghc_pkg_deps} | sed -e "s/\(ghc-[^, ]\+\)-devel/\1-doc,\1-prof/g")}
 
 %description
 %{common_description}
-%if %{with shared}
-This package provides the shared library.
-%endif
 
 
 %prep
@@ -49,10 +48,15 @@ This package provides the shared library.
 %ghc_lib_install
 
 
-%{?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> - 0.2.3-3
+- Update to cabal2spec-0.22.6
+
 * Thu Mar 10 2011 Fabio M. Di Nitto <fdinitto@redhat.com> - 0.2.3-2
 - Enable build on sparcv9