diff --git a/scribblings/defs.rkt b/scribblings/defs.rkt
index 3197e18..59927bd 100644
--- a/scribblings/defs.rkt
+++ b/scribblings/defs.rkt
@@ -4,7 +4,7 @@
 (provide (all-defined-out))
 
 (define (todo . ls)
-  (apply margin-note "TODO: " ls))
+  (apply margin-note* "TODO: " ls))
 
 (define (gtech . x)
   (apply tech x #:doc '(lib "scribblings/guide/guide.scrbl")))