diff --git a/actionmailer/CHANGELOG b/actionmailer/CHANGELOG
index 0749ff4dab66207602c37d3bb04675784d2dc164..7c6cba29f06044d29f505239eb3e72e1ff258532 100644
--- a/actionmailer/CHANGELOG
+++ b/actionmailer/CHANGELOG
@@ -1,4 +1,4 @@
-*2.3.1 [RC2] (February 27th, 2009)*
+*2.3.1 [RC2] (February ?, 2009)*
 
 * Fixed that ActionMailer should send correctly formatted Return-Path in MAIL FROM for SMTP #1842 [Matt Jones]
 
diff --git a/actionpack/CHANGELOG b/actionpack/CHANGELOG
index 516f28142801d545958f1180506af673395567e4..4520ea24cf23394cfda910df2b9c07e0da81c7aa 100644
--- a/actionpack/CHANGELOG
+++ b/actionpack/CHANGELOG
@@ -1,4 +1,4 @@
-*2.3.1 [RC2] (February 27th, 2009)*
+*2.3.1 [RC2] (February ?, 2009)*
 
 * Fixed that passing a custom form builder would be forwarded to nested fields_for calls #2023 [Eloy Duran/Nate Wiger]
 
diff --git a/activerecord/CHANGELOG b/activerecord/CHANGELOG
index 231402c51c9910468a078b1d3b5de3e1edfc18ca..c521a3beff57b855d629702cab28d5ddd7803c36 100644
--- a/activerecord/CHANGELOG
+++ b/activerecord/CHANGELOG
@@ -1,4 +1,4 @@
-*2.3.1 [RC2] (February 27th, 2009)*
+*2.3.1 [RC2] (February ?, 2009)*
 
 * Added ActiveRecord::Base.each and ActiveRecord::Base.find_in_batches for batch processing [DHH/Jamis Buck]
 
diff --git a/activeresource/CHANGELOG b/activeresource/CHANGELOG
index 8f6101acd61999f3ec2029dcb7ba24bf8284e9cc..00ee2c247e60dfb31e6f71e265bb428696bafab9 100644
--- a/activeresource/CHANGELOG
+++ b/activeresource/CHANGELOG
@@ -1,4 +1,4 @@
-*2.3.1 [RC2] (February 27th, 2009)*
+*2.3.1 [RC2] (February ?, 2009)*
 
 * Nothing new, just included in 2.3.1
 
diff --git a/activesupport/CHANGELOG b/activesupport/CHANGELOG
index c0f24a103d9610db3dab7612afb46ad03b197d5f..2ac432e39ea699ef071ea6b74214c92820305f20 100644
--- a/activesupport/CHANGELOG
+++ b/activesupport/CHANGELOG
@@ -1,4 +1,4 @@
-*2.3.1 [RC2] (February 27th, 2009)*
+*2.3.1 [RC2] (February ?, 2009)*
 
 * Vendorize i18n 0.1.3 gem (fixes issues with incompatible character encodings in Ruby 1.9) #2038 [Akira Matsuda]
 
diff --git a/railties/CHANGELOG b/railties/CHANGELOG
index 962869f9e119515db7d64a01615998b5feeba737..2b852daeddb1205813c646666a2401c1f8c9b90f 100644
--- a/railties/CHANGELOG
+++ b/railties/CHANGELOG
@@ -1,4 +1,4 @@
-*2.3.1 [RC2] (February 27th, 2009)*
+*2.3.1 [RC2] (February ?, 2009)*
 
 * Allow metal to live in plugins #2045 [Matthew Rudy]