diff --git a/artwork.org b/artwork.org
index 970ced6..739aa76 100644
--- a/artwork.org
+++ b/artwork.org
@@ -508,6 +508,7 @@ help me remember to use it.
 NIL
 #+end_src
 
-#+begin_src lisp :session
-  (defdf 
+#+begin_src lisp :session :results drawer
+  (lisp-stat:columns *artworks-df* '(width height))
 #+end_src
+