diff --git a/example/example.org b/example/example.org
index 3c9c276..b0890be 100644
--- a/example/example.org
+++ b/example/example.org
@@ -499,7 +499,7 @@ tab
    value of the function.
 
    #+BEGIN_SRC racket :results table drawer
-(tabulate (λ (x y) (+ x y)) '(1 2) '(0 2 4))
+(tabulate (λ (x y) (+ x y)) '((1 2) (0 2 4)))
    #+END_SRC
 
    #+RESULTS: