diff --git a/doc/release-notes/teachpack/HISTORY.txt b/doc/release-notes/teachpack/HISTORY.txt
index 624c4c6440..f9c27ff5fc 100644
--- a/doc/release-notes/teachpack/HISTORY.txt
+++ b/doc/release-notes/teachpack/HISTORY.txt
@@ -1,3 +1,9 @@
+------------------------------------------------------------------------
+Version 4.2.1				  [Wed Jul 22 11:15:54 EDT 2009]
+
+* universe API: added launch-many-worlds, fixed numerous small bugs
+  concerning symbol and char elimination
+
 ------------------------------------------------------------------------
 Version 4.2				  [Thu May 21 08:51:15 EDT 2009]