Fix grammar error

Author: ocrampete16

http_cache/esi.rst

@@ -95,7 +95,7 @@ First, to use ESI, be sure to enable it in your application configuration:
 
 Now, suppose you have a page that is relatively static, except for a news
 ticker at the bottom of the content. With ESI, you can cache the news ticker
-independent of the rest of the page::
+independently of the rest of the page::
 
     // src/AppBundle/Controller/DefaultController.php
 
@@ -158,7 +158,7 @@ used ``render()``.
     specification that is supported out of the box by the Symfony reverse
     proxy.
 
-The embedded action can now specify its own caching rules, entirely independent
+The embedded action can now specify its own caching rules entirely independently
 of the master page::
 
     // src/AppBundle/Controller/NewsController.php