From 6a1f50226e07dcb3f4e6e908d85a9a13afce4835 Mon Sep 17 00:00:00 2001
From: Matthias Felleisen <matthias@ccs.neu.edu>
Date: Fri, 5 Oct 2012 16:37:05 -0400
Subject: [PATCH] typo fixed with (lambda () ..); Closes PR 13164

---
 collects/teachpack/2htdp/scribblings/universe.scrbl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/collects/teachpack/2htdp/scribblings/universe.scrbl b/collects/teachpack/2htdp/scribblings/universe.scrbl
index 5a2983d345..f3474aaecc 100644
--- a/collects/teachpack/2htdp/scribblings/universe.scrbl
+++ b/collects/teachpack/2htdp/scribblings/universe.scrbl
@@ -1364,7 +1364,9 @@ in parallel:
 (racketblock
 > (apply launch-many-worlds/proc 
          (build-list (random 10)
-                     (lambda (i) (main (number->string i)))))
+                     (lambda (i)
+                       (lambda ()
+                         (main (number->string i))))))
 0
 9
 1