diff --git a/experiments/outline-editor/editor.js b/experiments/outline-editor/editor.js
index 917bb52..aec79f6 100755
--- a/experiments/outline-editor/editor.js
+++ b/experiments/outline-editor/editor.js
@@ -211,6 +211,7 @@ var getText = function(elem){
 //
 // NOTE: new extension methods can be defined/called in plugins via 
 // 		the .runPlugins(..) method.
+// XXX reference where (plugin) a method is defined if it is not system...
 // 		
 //
 //