diff --git a/build/conf/local.conf.sample b/build/conf/local.conf.sample
index 23e6017072..83f1ba0647 100644
--- a/build/conf/local.conf.sample
+++ b/build/conf/local.conf.sample
@@ -32,10 +32,14 @@ DISTRO = "poky"
 
 DISTRO_TYPE = "debug"
 
-# Packaging system used in generated images, 
-# change below to 'package_deb' for debs + dpkg.
+# A list of packaging systems used in generated images
+# The first package type listed will be used for rootfs generation
+# include 'package_deb' for debs
+# include 'package_ipk' for ipks
+#PACKAGE_CLASSES = "package_deb package_ipk"
 PACKAGE_CLASSES = "package_ipk"
 
+
 # Uncomment this to specify where BitBake should create its temporary files.
 # Note that a full build of everything in OpenEmbedded will take GigaBytes of hard
 # disk space, so make sure to free enough space. The default TMPDIR is