From 244446fcc52127274d5ad38986bf585c89ba82a5 Mon Sep 17 00:00:00 2001
From: Aaron Patterson <aaron.patterson@gmail.com>
Date: Wed, 2 Oct 2013 16:06:59 -0700
Subject: [PATCH] add a note to the changelog

---
 activerecord/CHANGELOG.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md
index 08803f823c..8ee38fc92a 100644
--- a/activerecord/CHANGELOG.md
+++ b/activerecord/CHANGELOG.md
@@ -1,3 +1,6 @@
+*   `has_and_belongs_to_many` is now transparently implemented in terms of
+    `has_many :through`.  Behavior should remain the same, if not, it is a bug.
+
 *   `create_savepoint`, `rollback_to_savepoint` and `release_savepoint` accept
     a savepoint name.