1 files changed, 1 insertions, 1 deletions
diff --git a/hmac.rkt b/hmac.rkt
index b9d012d..9ffa453 100644
--- a/hmac.rkt
+++ b/hmac.rkt
@@ -59,7 +59,7 @@
 ;;
 ;; CRYPTO[12]> (map nil
 ;;                  (lambda (x) (format t "~x" x))
-;;                    (hmac-digest (make-hmac "" 'whirlpool)))
+;;                    (hmac-digest (make-hmac #() 'whirlpool)))
 ;; 57D73990319055DEFA7739FF7B72406A927BBC54E8FCDC98E145FA4C36CE83
 ;; A9CF165AD1E0D1925F93AC1D12B985A26044E9FB1B9CCE24301FAA76EAAB53
 ;;