docs: update readme

JacobBennett · Jul 30, 2016 · 563230e · 563230e
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diff --git a/README.md b/README.md
@@ -30,6 +30,9 @@ protected $middleware = [
 
 ## Usage
 
+When you route a request through the `AddHttp2ServerPush` middleware, the response is scanned for any `link` or `script` tags that could benefit from being loaded using Server Push. 
+These assets will be added to the `Link` header before sending the response to the client. Easy!
+
 ## Change log
 
 Please see [CHANGELOG](CHANGELOG.md) for more information what has changed recently.