README.md in middleman-asset-http-prefix-0.0.3 vs README.md in middleman-asset-http-prefix-1.0.0

@@ -1,3 +1,15 @@
-# middleman-asset-http-prefix
-
 [![Gem Version](https://badge.fury.io/rb/middleman-asset-http-prefix.svg)](http://badge.fury.io/rb/middleman-asset-http-prefix)
+
+## Usage
+
+In the build section of config.rb:
+
+```ruby
+configure :build do
+  activate :asset_http_prefix
+
+  # and set the prefixes
+  set :http_prefix, 'https://www.example.com'
+  set :asset_http_prefix, 'https://cdn.example.com'
+end
+```