README.md in capistrano-notifier-0.3.0 vs README.md in capistrano-notifier-0.4.0

@@ -21,13 +21,14 @@
 
 ```rb
 require 'capistrano/notifier/mail'
 
 set :notifier_mail_options, {
-  :method => :test, # :smtp, :sendmail, or any other valid ActionMailer delivery method
-  :from   => '[e-mail]',
-  :to     => ['[e-mail]', '[e-mail]'],
-  :github => 'MyCompany/project-name'
+  :method  => :test, # :smtp, :sendmail, or any other valid ActionMailer delivery method
+  :from    => '[e-mail]',
+  :to      => ['[e-mail]', '[e-mail]'],
+  :subject => "Successfully deployed #{application.titleize} to #{stage}", # OPTIONAL
+  :github  => 'MyCompany/project-name'
 }
 ```
 
 If you specified `:method => :test`, you can see the email that would be
 generated in your console with `cap deploy:notify:mail`.