diff --git a/doc/release-notes/teachpack/HISTORY.txt b/doc/release-notes/teachpack/HISTORY.txt
index d883e3aa67..fd9bd64f91 100644
--- a/doc/release-notes/teachpack/HISTORY.txt
+++ b/doc/release-notes/teachpack/HISTORY.txt
@@ -1,7 +1,7 @@
 ------------------------------------------------------------------------
-Version 5.2				  [Mon Apr 25 11:07:14 EDT 2011]
+Version 5.1.1				  [Tue Apr 26 22:38:44 EDT 2011]
 
-* tiny bug fix in registration process for universe 
+* bug fix in registration process for universe 
   implies incompatibility of protocols between 5.1 programs and 
   predecessors