diff --git a/gdouros-akkadian-fonts.spec b/gdouros-akkadian-fonts.spec
index d03119c..dbf4c19 100644
--- a/gdouros-akkadian-fonts.spec
+++ b/gdouros-akkadian-fonts.spec
@@ -1,10 +1,16 @@
+# https://web.archive.org/web/20150625020428/http://users.teilar.gr/~g1951d/
+# "in lieu of a licence:
+# Fonts and documents in this site are not pieces of property or merchandise
+# items; they carry no trademark, copyright, license or other market tags;
+# they are free for any use. George Douros"
+
 %global fontname gdouros-akkadian
 %global fontconf 65-%{fontname}.conf
 %global checkout 20150430
 
 Name:           %{fontname}-fonts
 Version:        7.13
-Release:        0.3.%{checkout}%{?dist}
+Release:        0.4.%{checkout}%{?dist}
 Summary:        A font for Sumero-Akkadian cuneiform
 
 License:        Public Domain
@@ -16,6 +22,7 @@ Source3:        %{fontname}.metainfo.xml
 
 BuildArch:      noarch
 BuildRequires:  fontpackages-devel
+BuildRequires:  libappstream-glib
 Requires:       fontpackages-filesystem
 
 %description
@@ -48,12 +55,20 @@ ln -s %{_fontconfig_templatedir}/%{fontconf} \
 install -Dm 0644 -p %{SOURCE3} \
         %{buildroot}%{_datadir}/appdata/%{fontname}.metainfo.xml
 
+%check
+appstream-util validate-relax --nonet \
+      %{buildroot}/%{_datadir}/appdata/%{fontname}.metainfo.xml
+
 
 %_font_pkg -f %{fontconf} Akkadian.ttf
 %{_datadir}/appdata/%{fontname}.metainfo.xml
 %doc Akkadian.pdf
 
 %changelog
+* Fri Jul 17 2015 Alexander Ploumistos <alexpl@fedoraproject.org> - 7.13-0.4.20150430
+- Add license text
+- Add appstream validation check
+
 * Wed Jun 17 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 7.13-0.3.20150430
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild