diff --git a/doc/todo/Restrict_page_viewing.mdwn b/doc/todo/Restrict_page_viewing.mdwn
index 20b59cb13..d40cee6d1 100644
--- a/doc/todo/Restrict_page_viewing.mdwn
+++ b/doc/todo/Restrict_page_viewing.mdwn
@@ -40,3 +40,7 @@ much more maintainable htaccess file.
 
 >>>>> If you use the httpauth and the cgiauthurl method, you can restrict a path 
 >>>>> like /private/* to be accessible only under the authenticated request uri.
+
+>>>>>> Note that if editing is enabled, then you should set the restriction in locked_pages too
+>>>>>> or they may be able to view pages by editing the page= value in the editor's
+>>>>>> query string. --[mjr](http://mjr.towers.org.uk/)