diff --git a/lisp/play/cookie1.el b/lisp/play/cookie1.el
index b9babdfeec2..61eaaddce33 100644
--- a/lisp/play/cookie1.el
+++ b/lisp/play/cookie1.el
@@ -43,6 +43,9 @@
 ;; has been generalized so that it supports multiple simultaneous cookie
 ;; databases.  It is intended to be called from other packages such as
 ;; yow.el and spook.el.
+;;
+;; TO DO: teach cookie-snarf to auto-detect ITS PINS or UNIX fortune(6)
+;; format and do the right thing.
 
 ;;; Code: