Update README.md

README.md

@@ -5,4 +5,9 @@ Use the issues queue here to ask questions and offer help on using Mapnik.
 
 The Mapnik project has a mailing list (http://mapnik.org/contact/) but why not try using github instead?
 
-Maybe if this works well we can retire the mailing list at some point in the future?
+Maybe if this works well we can retire the mailing list at some point in the future?
+
+## bug reports
+
+Bug reports should be filed at https://github.com/mapnik/mapnik/issues. If you are not sure if
+your problem is a bug or a problem in Mapnik usage feel free to ask the question [here](https://github.com/mapnik/mapnik-support/issues)