diff --git a/.gitignore b/.gitignore
index c901c47..c7f832d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /mate-calc-1.5.0.tar.xz
+/mate-calc-1.5.1.tar.gz
diff --git a/mate-calc.spec b/mate-calc.spec
index 4afd0e6..110ed8e 100644
--- a/mate-calc.spec
+++ b/mate-calc.spec
@@ -1,31 +1,37 @@
 Name:		mate-calc
-Version:	1.5.0
+Version:	1.5.1
 Release:	1%{?dist}
 Summary:	MATE Desktop calculator
 License:	GPLv2+
 URL:		http://mate-desktop.org
-Source0:	http://pub.mate-desktop.org/releases/1.5/%{name}-%{version}.tar.xz
+#Source0:	http://pub.mate-desktop.org/releases/1.5/%{name}-%{version}.tar.xz
+Source0:        https://github.com/mate-desktop/mate-calc/archive/%{name}-%{version}.tar.gz
 
-BuildRequires:	gtk2-devel libxml2-devel mate-common mate-doc-utils bison flex mate-desktop-devel rarian-devel rarian-compat desktop-file-utils
+BuildRequires:	gtk2-devel
+BuildRequires:	libxml2-devel
+BuildRequires:	mate-common
+BuildRequires:	mate-doc-utils
+BuildRequires:	bison
+BuildRequires:	flex
+BuildRequires:	mate-desktop-devel
+BuildRequires:	desktop-file-utils
 
 
 %description
-MATE Desktop calculator
+mate-calc is a powerful graphical calculator with financial, logical and scientific modes.
+It uses a multiple precision package to do its arithmetic to give a high degree of accuracy.
 
 %prep
-%setup -q
+%setup -q -n %{name}-%{name}-%{version}
 NOCONFIGURE=1 ./autogen.sh
 
 
 %build
-%configure --disable-scrollkeeper --disable-schemas-compile --with-gtk=2.0
+%configure --disable-schemas-compile
 make %{?_smp_mflags} V=1
 
 %install
 make install DESTDIR=%{buildroot}
-find %{buildroot} -name '*.la' -exec rm -rf {} ';'
-find %{buildroot} -name '*.a' -exec rm -rf {} ';'
-%find_lang %{name} --all-name
 
 
 desktop-file-install									\
@@ -35,6 +41,8 @@ desktop-file-install									\
 	--dir=%{buildroot}%{_datadir}/applications					\
 %{buildroot}%{_datadir}/applications/*.desktop
 
+%find_lang %{name} --all-name
+
 %postun
 if [ $1 -eq 0 ] ; then
 /usr/bin/glib-compile-schemas %{_datadir}/glib-2.0/schemas &> /dev/null || :
@@ -50,10 +58,16 @@ fi
 %{_bindir}/mate-calc-cmd
 %{_bindir}/mate-calculator
 %{_datadir}/applications/mate-calc.desktop
-%{_datadir}/glib-2.0/schemas/org.mate.mate-calc.gschema.xml
-%{_datadir}/mate-calc
-%{_datadir}/mate/help/mate-calc
+%{_datadir}/glib-2.0/schemas/org.mate.calc.gschema.xml
+%{_datadir}/mate-calc/
 
 %changelog
+* Sun Nov 25 2012 Leigh Scott <leigh123linux@googlemail.com> - 1.5.1-1
+- update to 1.5.1 release
+- specfile cleanup
+- add more descriptive %%description section
+- remove unused configure options
+- remove unused build requires
+
 * Mon Nov 12 2012 Dan Mashal <dan.mashal@fedoraproject.org> 1.5.0-1
 - Initial build
diff --git a/sources b/sources
index 0a1041d..b21f13f 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-70cac389a172dcbf47dcf9406952a2c3  mate-calc-1.5.0.tar.xz
+846db72a3c0f0548f65eb2d9bb5be56a  mate-calc-1.5.1.tar.gz