diff --git a/prism/CHANGELOG.txt b/prism/CHANGELOG.txt
index 11b4c48a..1af07429 100644
--- a/prism/CHANGELOG.txt
+++ b/prism/CHANGELOG.txt
@@ -22,6 +22,7 @@ Bug fixes:
 - Building on new 64-bit Macs
 - Simulator bug (crashes on min/max function)
 - CTMC transient probs with MTBDD engine crash
+- State/transition reward mix-up in parser
 
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 Version 3.3 (released 29/10/2009)