diff --git a/CHANGES b/CHANGES
index e72103ffcf..465c29c81d 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,4 +1,8 @@
 
+ 402.	[bug]		Treat undefined acls as errors, rather than
+			warning and then later throwing an assertion.
+			[RT #252]
+
  401.	[func]		Added simple database API.
 
  400.	[bug]		SIG(0) signing and verifying was done incorrectly.