diff --git a/docs/tech/tn0013.txt b/docs/tech/tn0013.txt
index 3e13e1d288..b9ca0cfc68 100644
--- a/docs/tech/tn0013.txt
+++ b/docs/tech/tn0013.txt
@@ -110,3 +110,6 @@ a) FreshMeat: http://freshmeat.net/projects/wxwindowsgtk/
 b) wx-announce mailing list: mailto:wx-announce@lists.wxwindows.org
 
    [where is the announcement text? TODO]
+
+c) update www.wxwindows.org
+
diff --git a/docs/univ/porting.txt b/docs/univ/porting.txt
new file mode 100644
index 0000000000..a3e442e7af
--- /dev/null
+++ b/docs/univ/porting.txt
@@ -0,0 +1,43 @@
+Porting wxUniversal to a new platform
+=====================================
+
+wxUniv relies on the low level toolkit to work. Here are the classes which
+this toolkit to implement to support wxUniv (roughly sorted by importance
+inside each category):
+
+1. System classes
+-----------------
+
+wxApp
+wxEventLoop
+wxTimer
+wxSystemSettings
+
+2. Window classes
+-----------------
+
+wxWindow
+wxTopLevelWindow
+wxPopupWindow
+
+3. GDI classes
+--------------
+
+wxDC
+wxBitmap
+wxBrush
+wxColour
+wxCursor
+wxFont
+wxIcon
+wxPalette
+wxPen
+wxRegion
+
+4. Miscellaneous
+----------------
+
+wxClipboard
+wxDropSourceBase
+wxDropTarget
+