README.md in ahoy_email-1.0.1 vs README.md in ahoy_email-1.0.2

@@ -36,11 +36,11 @@
 ### Message History
 
 Ahoy creates an `Ahoy::Message` record for each email sent by default. You can disable history for a mailer:
 
 ```ruby
-class UserMailer < ApplicationMailer
+class CouponMailer < ApplicationMailer
   track message: false # use only/except to limit actions
 end
 ```
 
 Or by default:
@@ -56,11 +56,11 @@
 By default, Ahoy tries `@user` then `params[:user]` then `User.find_by(email: message.to.first)` to find the user.
 
 You can pass a specific user with:
 
 ```ruby
-class UserMailer < ApplicationMailer
+class CouponMailer < ApplicationMailer
   track user: -> { params[:some_user] }
 end
 ```
 
 The user association is [polymorphic](https://railscasts.com/episodes/154-polymorphic-association), so use it with any model.
@@ -166,11 +166,11 @@
 ```
 
 And add to mailers you want to track:
 
 ```ruby
-class UserMailer < ApplicationMailer
+class CouponMailer < ApplicationMailer
   track open: true, click: true # use only/except to limit actions
 end
 ```
 
 #### How It Works
@@ -260,9 +260,26 @@
 Or fully customize how messages are tracked
 
 ```ruby
 AhoyEmail.track_method = lambda do |data|
   # your code
+end
+```
+
+## Mongoid
+
+If you prefer to use Mongoid instead of ActiveRecord, create `app/models/ahoy/message.rb` with:
+
+```ruby
+class Ahoy::Message
+  include Mongoid::Document
+
+  belongs_to :user, polymorphic: true, optional: true, index: true
+
+  field :to, type: String
+  field :mailer, type: String
+  field :subject, type: String
+  field :sent_at, type: Time
 end
 ```
 
 ## Upgrading