README.md in mail-notify-0.2.3 vs README.md in mail-notify-1.0

@@ -71,10 +71,10 @@
 ```ruby
 class MyMailer < Mail::Notify::Mailer
     def send_email
         template_mail('YOUR_TEMPLATE_ID_GOES_HERE',
           to: '[e-mail]',
-          personalisations: {
+          personalisation: {
               foo: 'bar'
           }
         )
     end
 end