Tweaks for #1523

quick_tour/the_big_picture.rst

@@ -19,17 +19,23 @@ Downloading Symfony2
 First, check that you have installed and configured a Web server (such as
 Apache) with PHP 5.3.2 or higher.
 
-.. tips::
+.. tip::
 
-    Since PHP 5.4, you could use the Build-in web server. For development purpose only, it can help you to start your project right now.
+    If you have PHP 5.4, you could use the built-in web server. The built-in
+    server should be used only for development purpose, but it can help you
+    to start your project quickly and easily.
+
     Just use this command to launch the server:
 
     .. code-block:: bash
 
         php -S localhost:80 -t /path/to/www
 
-    Where "/path/to/www" is the path to some directory on your machine that you'll extract Symfony into so that the eventual URL to your application is "http://localhost/Symfony/app_dev.php".
-    You can also extract Symfony first and then start the web server in the Symfony "web" directory. If you do this, the URL to your application will be "http://localhost/app_dev.php".
+    where "/path/to/www" is the path to some directory on your machine that
+    you'll extract Symfony into so that the eventual URL to your application
+    is "http://localhost/Symfony/app_dev.php". You can also extract Symfony
+    first and then start the web server in the Symfony "web" directory. If
+    you do this, the URL to your application will be "http://localhost/app_dev.php".
 
 Ready? Start by downloading the "`Symfony2 Standard Edition`_", a Symfony
 :term:`distribution` that is preconfigured for the most common use cases and