3 files changed, 10 insertions, 10 deletions
diff --git a/activemodel/lib/active_model/gem_version.rb b/activemodel/lib/active_model/gem_version.rb
index 964b24398d..dd652190f7 100644
--- a/activemodel/lib/active_model/gem_version.rb
+++ b/activemodel/lib/active_model/gem_version.rb
@@ -1,5 +1,5 @@
 module ActiveModel
-  # Returns the version of the currently loaded ActiveModel as a <tt>Gem::Version</tt>
+  # Returns the version of the currently loaded Active Model as a <tt>Gem::Version</tt>
   def self.gem_version
     Gem::Version.new VERSION::STRING
   end
@@ -8,7 +8,7 @@ module ActiveModel
     MAJOR = 4
     MINOR = 2
     TINY  = 0
-    PRE   = "alpha"
+    PRE   = "beta1"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end
diff --git a/activemodel/lib/active_model/model.rb b/activemodel/lib/active_model/model.rb
index 640024eaa1..d51d6ddcc9 100644
--- a/activemodel/lib/active_model/model.rb
+++ b/activemodel/lib/active_model/model.rb
@@ -56,13 +56,13 @@ module ActiveModel
   # refer to the specific modules included in <tt>ActiveModel::Model</tt>
   # (see below).
   module Model
-    def self.included(base) #:nodoc:
-      base.class_eval do
-        extend  ActiveModel::Naming
-        extend  ActiveModel::Translation
-        include ActiveModel::Validations
-        include ActiveModel::Conversion
-      end
+    extend ActiveSupport::Concern
+    include ActiveModel::Validations
+    include ActiveModel::Conversion
+
+    included do
+      extend ActiveModel::Naming
+      extend ActiveModel::Translation
     end
 
     # Initializes a new model with the given +params+.
diff --git a/activemodel/lib/active_model/validations/confirmation.rb b/activemodel/lib/active_model/validations/confirmation.rb
index a51523912f..1b11c28087 100644
--- a/activemodel/lib/active_model/validations/confirmation.rb
+++ b/activemodel/lib/active_model/validations/confirmation.rb
@@ -54,7 +54,7 @@ module ActiveModel
       #
       # Configuration options:
       # * <tt>:message</tt> - A custom error message (default is: "doesn't match
-      #   confirmation").
+      #   <tt>%{translated_attribute_name}</tt>").
       #
       # There is also a list of default options supported by every validator:
       # +:if+, +:unless+, +:on+, +:allow_nil+, +:allow_blank+, and +:strict+.