diff --git a/gnome-system-monitor.changes b/gnome-system-monitor.changes
index 1bff4f7..9febf24 100644
--- a/gnome-system-monitor.changes
+++ b/gnome-system-monitor.changes
@@ -1,7 +1,9 @@
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 Mon Apr  2 16:52:27 UTC 2012 - jhernandez@emergya.es
 
-- Enable systemd only for openSUSE >= 12.2
+- Enable systemd support only for openSUSE >= 12.2. On earlier
+  versions, don't use libsystemd-daemon/libsystemd-login
+  pkgconfig() BuildRequires since systemd is too old there.
 
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 Tue Mar 27 06:23:50 UTC 2012 - vuntz@opensuse.org