--- a/debian-apt.rst Sat Feb 09 21:25:38 2013 +0200
+++ b/debian-apt.rst Sat Feb 09 21:42:53 2013 +0200
@@ -9,7 +9,7 @@
Conf files.
===========
-See man sources.list(5), apt.conf(5)::
+See man sources.list(5), apt.conf(5), apt_preferences(5).
``/etc/apt/sources.list``::