diff --git a/cflow.changes b/cflow.changes
index 9957bd8..e425fb9 100644
--- a/cflow.changes
+++ b/cflow.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Feb 25 08:05:15 UTC 2019 - Martin Pluskal <mpluskal@suse.com>
+
+- Modernise spec file with spec-cleaner
+
 -------------------------------------------------------------------
 Sat Feb 23 19:41:30 UTC 2019 - seanlew@opensuse.org
 
diff --git a/cflow.spec b/cflow.spec
index 1effc55..29bf4ad 100644
--- a/cflow.spec
+++ b/cflow.spec
@@ -22,15 +22,13 @@ Release:        0
 Summary:        Tool to generate flowcharts for C sources
 License:        GPL-3.0-only
 Group:          Development/Tools/Other
-Url:            http://www.gnu.org/software/cflow
+URL:            http://www.gnu.org/software/cflow
 Source0:        https://ftp.gnu.org/gnu/cflow/cflow-1.6.tar.xz
 Source1:        https://ftp.gnu.org/gnu/cflow/cflow-1.6.tar.xz.sig
 Source2:        %{name}.keyring
 BuildRequires:  flex
-BuildRequires:  xz
 Requires(post): %{install_info_prereq}
 Requires(preun): %{install_info_prereq}
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description
 GNU cflow analyzes a collection of C source files and prints a graph, charting
@@ -61,10 +59,10 @@ make %{?_smp_mflags} check
 %install_info_delete --info-dir=%{_infodir} %{_infodir}/%{name}.info%{ext_info}
 
 %files -f %{name}.lang
-%defattr(-,root,root)
-%doc NEWS README COPYING AUTHORS
+%license COPYING
+%doc NEWS README AUTHORS
 %{_bindir}/%{name}
-%{_infodir}/%{name}.info%{ext_info}
-%{_mandir}/man1/%{name}.1%{ext_man}
+%{_infodir}/%{name}.info%{?ext_info}
+%{_mandir}/man1/%{name}.1%{?ext_man}
 
 %changelog