fixed a few mistakes

Author: yamiko

components/browser_kit/index.rst

@@ -1,5 +1,5 @@
-Browser Kit
-====
+BrowserKit
+==========
 
 .. toctree::
     :maxdepth: 2

components/browser_kit/introduction.rst

@@ -1,18 +1,18 @@
 .. index::
-   single: Yaml
-   single: Components; Yaml
+   single: BrowserKit
+   single: Components; BrowserKit
 
-The Browser Kit Component
+The BrowserKit Component
 =========================
 
-    The Browser Kit component simulates the behavior of a web browser.
+    The BrowserKit component simulates the behavior of a web browser.
 
-The Browser Kit component allows you to make web request, click on links and submit forms. 
+The BrowserKit component allows you to make web request, click on links and submit forms. 
 
 Installation
 ------------
 
 You can install the component in 2 different ways:
 
 * :doc:`Install it via Composer </components/using_components>` (``symfony/browser-kit`` on `Packagist`_);
-* Use the official Git repository (https://github.com/symfony/BrowserKit).
+* Use the official Git repository (https://github.com/symfony/BrowserKit).