From 4ddaa40e338f7efbcdbc93b88dd08456e2909383 Mon Sep 17 00:00:00 2001
From: Matthias Felleisen <matthias@ccs.neu.edu>
Date: Mon, 8 Sep 2014 20:29:53 -0400
Subject: [PATCH] fixed error message according to Oliver Flatt's suggestion,
 take 2

---
 pkgs/htdp-pkgs/htdp-lib/2htdp/private/universe.rkt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/htdp-pkgs/htdp-lib/2htdp/private/universe.rkt b/pkgs/htdp-pkgs/htdp-lib/2htdp/private/universe.rkt
index 0355f255aa..9410436d2b 100644
--- a/pkgs/htdp-pkgs/htdp-lib/2htdp/private/universe.rkt
+++ b/pkgs/htdp-pkgs/htdp-lib/2htdp/private/universe.rkt
@@ -362,7 +362,7 @@
     (unless (pred? c)
       (error 
        tag
-       "expects a mail as (elements of) ~a argument, given list contains the element: ~e"
+       "expects a list of mails as ~a argument, given a list that contains: ~e"
        ith
        c)))
   #;