README.md in omniauth-mendeley_oauth2-1.0 vs README.md in omniauth-mendeley_oauth2-1.0.1

@@ -2,10 +2,15 @@
 
 This is the unofficial [OmniAuth 1.0](https://github.com/intridea/omniauth) strategy for authenticating to Mendeley via OAuth2.
 To use it, you'll need to sign up at [Mendeley.com](http://mendeley.com), sign in with given credentials
 at [Mendeley Developers Page](http://dev.mendeley.com/) and then create an OAuth2 app.
 
-## Basic Usage
+## Usage
+
+```ruby
+# in Gemfile
+gem 'omniauth-mendeley_oauth2'
+```
 
 ```ruby
 use OmniAuth::Builder do
   provider :mendeley, ENV['API_KEY'], ENV['API_SECRET']
 end