Update README.md

- fix a small typo
- restructure sentence about responding to X-PJAX headers

Author: tylerwolff

README.md

@@ -60,9 +60,9 @@ $(document).pjax('a', '#pjax-container')
 
 Now when someone in a pjax-compatible browser clicks "next page" the content of `#pjax-container` will be replaced with the body of `/page/2`.
 
-Magic! Almost. You still need to configure you server to look for pjax requests then send back pjax-specific content.
+Magic! Almost. You still need to configure your server to look for pjax requests and send back pjax-specific content.
 
-The pjax ajax request sends an `X-PJAX` header so in this example (and in most cases) we return a page without a layout to any requests with that header.
+The pjax ajax request sends an `X-PJAX` header so in this example (and in most cases) we want to return just the content of the page without any layout for any requests with that header.
 
 Here's what it might look like in Rails: