README.md in rails_extras-0.1.2 vs README.md in rails_extras-0.1.3

- old
+ new

@@ -1,6 +1,7 @@
 # RailsExtras
+[![Gem Version](https://badge.fury.io/rb/rails_extras.png)](http://badge.fury.io/rb/rails_extras)
 
 This gem provides extras methods for Rails application.
 
 ## Installation
 
@@ -16,5 +17,18 @@
 
     $ gem install rails_extras
 
 ## Usage
 
+```ruby
+add_link('http://example.com', class: 'text-info') do |tag|
+  tag.space "link"
+  [1, 2, 3].each do |item|
+    tag << item.to_s
+  end
+end #=> <a href='http://example.com', class: 'text-info'>link 123</a>
+```
+# License
+
+RailsExtras uses the MIT license. Please check the [LICENSE][] file for more details.
+
+[license]: https://github.com/raglub/rails_extras/blob/master/LICENSE