link to blog post with description

diff --git a/README b/README
index 61600e8..195de6b 100644 (file)
--- a/README
+++ b/README
@@ -5,6 +5,10 @@ Author: John Coryat http://www.usnaviguide.com/ws-2010-08/
 also described in video: http://www.youtube.com/watch?v=hNbFkLuRk5Y
 
 
+My modifications are desribed in following blog post:
+
+http://blog.rot13.org/2011/04/google-map-data-layer-using-custom-tiles.html
+
 INSTALL
 
 # create database