diff --git a/doc/PlannedExtensions.txt b/doc/PlannedExtensions.txt
index df6ee64a..1ed81f63 100644
--- a/doc/PlannedExtensions.txt
+++ b/doc/PlannedExtensions.txt
@@ -28,6 +28,8 @@ a 'static factory method'.
 
 ## @Property
 
+http://today.java.net/pub/a/today/2009/06/02/hacking-javafx-binding.html
+
 ## @AutoClose
 
 ## @Synchronized