* doc/apt_preferences.5.xml:

  - fix two typos and be more verbose in the novice warning.
    Thanks to Osamu Aoki for pointing it out! (Closes: #567669)

debian/changelog

@@ -9,6 +9,9 @@ apt (0.7.26) UNRELEASED; urgency=low
     - add char[] fallback for filesystems without shared writable
       mmap() like JFFS2. Thanks to Marius Vollmer for writing
       and to Loïc Minier for pointing to the patch! (Closes: #314334)
+  * doc/apt_preferences.5.xml:
+    - fix two typos and be more verbose in the novice warning.
+      Thanks to Osamu Aoki for pointing it out! (Closes: #567669)
 
  -- David Kalnischkies <kalnischkies@gmail.com>  Fri, 19 Feb 2010 21:21:43 +0100
 

doc/apt_preferences.5.xml

@@ -59,6 +59,9 @@ APT will not questioning the preferences so wrong settings will therefore
 lead to uninstallable packages or wrong decisions while upgrading packages.
 Even more problems will arise if multiply distribution releases are mixed
 without a good understanding of the following paragraphs.
+Packages included in a specific release aren't tested in and
+therefore doesn't always work as expected in older or newer releases or
+together with other packages from different releases.
 You have been warned.</para>
 
 <para>Note that the files in the <filename>/etc/apt/preferences.d</filename>