diff --git a/common/lib/xmodule/xmodule/js/src/jsloader.coffee b/common/lib/xmodule/xmodule/js/src/jsloader.coffee
index a83584dfa7..8872228192 100644
--- a/common/lib/xmodule/xmodule/js/src/jsloader.coffee
+++ b/common/lib/xmodule/xmodule/js/src/jsloader.coffee
@@ -1,7 +1,8 @@
 class @JavascriptLoader
   ###
   Set of library functions that provide common interface for javascript loading
-  for all module types
+  for all module types. All functionality provided by JavascriptLoader should take
+  place at module scope, i.e. don't run jQuery over entire page
   ###
   @setCollapsibles: (el) =>
     ###