diff --git a/pkgs/htdp-pkgs/htdp-test/tests/htdp-lang/beg-adv.rktl b/pkgs/htdp-pkgs/htdp-test/tests/htdp-lang/beg-adv.rktl
index 1e50b78f51..6f7f1fff52 100644
--- a/pkgs/htdp-pkgs/htdp-test/tests/htdp-lang/beg-adv.rktl
+++ b/pkgs/htdp-pkgs/htdp-test/tests/htdp-lang/beg-adv.rktl
@@ -249,8 +249,7 @@
 (htdp-syntax-test #'(require "/a") #rx"start with a slash")
 (htdp-syntax-test #'(require "a/") #rx"end with a slash")
 (htdp-syntax-test #'(require "a%&#^%") #rx"string can contain only")
-(htdp-syntax-test #'(require (lib)) #rx"expected at least two strings")
-(htdp-syntax-test #'(require (lib "a")) #rx"expected at least two strings")
+(htdp-syntax-test #'(require (lib)) #rx"expected at least one string")
 (htdp-syntax-test #'(require (lib "a" "b/")) #rx"end with a slash")
 (htdp-syntax-test #'(require (lib "a" 2)) #rx"string for a lib path")
 (htdp-syntax-test #'(require (planet "a" 2)) #rx"not a valid planet path")