diff --git a/debian/README.source b/debian/README.source
index 049a42f2a..c344dfa3a 100644
--- a/debian/README.source
+++ b/debian/README.source
@@ -11,10 +11,15 @@ Updating the upstream source
    This will produce ../orig/linux-2.6_<version>.orig.tar.gz
    (e.g. linux-2.6_2.6.26~rc3.orig.tar.gz).
 
+   (genorig.py requires the python and unifdef packages to be
+    installed)
+
 3) Unpack linux-2.6-<version>.orig.tar.gz, cd into the new directory,
    and do a 'svn export' to get the debian/ subdirectory.
    Alternatively unpack using "make -f debian/rules orig".
 
+   (the orig target of the Makefiles requires rsync)
+
 Applying patches to the Debian kernel tree
 ==========================================
 
diff --git a/debian/changelog b/debian/changelog
index bdfa56e7c..393215dbf 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -7,6 +7,8 @@ linux-2.6 (2.6.32-10) UNRELEASED; urgency=low
   * Enable CONFIG_KEYS_DEBUG_PROC_KEYS (Closes: #400932)
   * Amend README.source with documentation on how to generate a 
     source tree with all patches applied (Closes: #509156)
+  * Document needed packages for preparatory packaging
+    steps (Closes: #548028)
 
   [ Aurelien Jarno ]
   * Fix signal stack alignement on sparc64 (Closes: #569797)