Minor fix to release notes.
diff --git a/release-notes/VERSION b/release-notes/VERSION
index f400c2d..aec9441 100644
--- a/release-notes/VERSION
+++ b/release-notes/VERSION
@@ -6,7 +6,7 @@
 
 2.5.2 (not yet released)
 
-#691: Jackson 2.5.0. NullSerializer for MapProperty failing
+#691: NullSerializer for MapProperty failing when using polymorphic handling
  (reported by Antibrumm@github)
 
 2.5.1 (06-Feb-2015)