diff --git a/mrtg.spec b/mrtg.spec
index 811b08a..8494bcd 100644
--- a/mrtg.spec
+++ b/mrtg.spec
@@ -6,16 +6,23 @@
 Summary:   Multi Router Traffic Grapher
 Name:      mrtg
 Version:   2.17.4
-Release:   5%{?dist}
+Release:   6%{?dist}
 URL:       http://oss.oetiker.ch/mrtg/
 Source0:   http://oss.oetiker.ch/mrtg/pub/mrtg-%{version}.tar.gz
 Source1:   http://oss.oetiker.ch/mrtg/pub/mrtg-%{version}.tar.gz.md5
+# Source2: configuration file example
 Source2:   mrtg.cfg
+# Source3: script for filtering out false perl requires
 Source3:   filter-requires-mrtg.sh
+# Source4: configuration for Apache
 Source5:   mrtg-httpd.conf
+# Source6: script for filtering out false perl provides
 Source6:   filter-provides-mrtg.sh
+# Source7: tmpfiles rule
 Source7:   mrtg.tmpfiles
+# Source8: systemd service file
 Source8:   mrtg.service
+# Source9: systemd timer file
 Source9:   mrtg.timer
 Patch0:    mrtg-2.15.0-lib64.patch
 Patch2:    mrtg-2.17.2-socket6-fix.patch
@@ -130,6 +137,9 @@ fi
 %{_unitdir}/mrtg.timer
 
 %changelog
+* Thu Nov 29 2012 Vitezslav Crhonek <vcrhonek@redhat.com> - 2.17.4-6
+- Comment sources
+
 * Wed Oct 31 2012 Vitezslav Crhonek <vcrhonek@redhat.com> - 2.17.4-5
 - Update mrtg-httpd.conf to work with httpd 2.4
   Resolves: #871434