diff --git a/jester.js b/jester.js
index 8a27643..b058cb5 100644
--- a/jester.js
+++ b/jester.js
@@ -1,7 +1,7 @@
 // Jester version 1.5
 // Released October 25th, 2007
 
-// Compatible, tested with Prototype 1.5.1.1
+// Compatible, tested with Prototype 1.6.0.2
 
 // Copyright 2007, thoughtbot, inc.
 // Released under the MIT License.