README.md in pushpad-0.5.0 vs README.md in pushpad-0.5.1

@@ -1,8 +1,8 @@
 # Pushpad - Web Push Notifications Service
  
-[Pushpad](https://pushpad.xyz) is a service for sending push notifications from your web app. It supports the **Push API** (Chrome and Firefox) and **APNs** (Safari).
+[Pushpad](https://pushpad.xyz) is a service for sending push notifications from your web app. It supports the **Push API** (Chrome, Firefox, Opera) and **APNs** (Safari).
 
 Features:
 
 - notifications are delivered even when the user is not on your website
 - users don't need to install any app or plugin
@@ -10,10 +10,11 @@
 
 Currently push notifications work on the following browsers:
 
 - Chrome (Desktop and Android)
 - Firefox (44+)
+- Opera (42+)
 - Safari
 
 ## Installation
 
 Add this line to your application's Gemfile:
@@ -78,10 +79,10 @@
   body: "Hello world!", # max 120 characters
   title: "Website Name", # optional, defaults to your project name, max 30 characters
   target_url: "http://example.com", # optional, defaults to your project website
   icon_url: "http://example.com/assets/icon.png", # optional, defaults to the project icon
   ttl: 604800, # optional, drop the notification after this number of seconds if a device is offline
-  require_interaction: true # optional, default is false, if true it prevents Chrome from automatically closing the notification after a few seconds
+  require_interaction: true # optional, if true it prevents Chrome from automatically closing the notification after a few seconds
 })
 
 # deliver to a user
 notification.deliver_to user # or user_id