diff --git a/lib/ajax/ajaxlib.php b/lib/ajax/ajaxlib.php
index c4bf805401f..ea42ecfdd4a 100644
--- a/lib/ajax/ajaxlib.php
+++ b/lib/ajax/ajaxlib.php
@@ -621,6 +621,8 @@ class page_requirements_manager {
     }
 
     /**
+     * !!!!!!DEPRECATED!!!!!! please use js_init_call() for everything now.
+     *
      * Make some data from PHP available to JavaScript code.
      *
      * For example, if you call