diff --git a/doc/release-notes/teachpack/HISTORY.txt b/doc/release-notes/teachpack/HISTORY.txt
index c81f900890..f1f612fe15 100644
--- a/doc/release-notes/teachpack/HISTORY.txt
+++ b/doc/release-notes/teachpack/HISTORY.txt
@@ -1,3 +1,8 @@
+------------------------------------------------------------------------
+Version 4.1				  [Sun Aug 10 12:56:58 EDT 2008]
+
+* world docs include line to HtDP/2e Prologue 
+
 ------------------------------------------------------------------------
 Version 4.0.1				  [Fri Jun 20 10:35:32 EDT 2008]