rework the quick tour's big picture

quick_tour/the_big_picture.rst

@@ -106,20 +106,16 @@ Congratulations! Your first Symfony project is up and running!
     them are explained in the
     :ref:`Setting up Permissions <book-installation-permissions>` section
     of the official book.
-    
+
     If the welcome page does not seem to be rendering CSS or image assets,
     install them first:
-    
+
     .. code-block:: bash
-    
+
         $ php app/console assets:install
 
 When you are finished working on your Symfony application, you can stop
-the server with the ``server:stop`` command:
-
-.. code-block:: bash
-
-    $ php app/console server:stop
+the server by pressing Ctrl and C.
 
 .. tip::
 
@@ -135,15 +131,15 @@ of database calls, HTML tags and other PHP code in the same script. To achieve
 this goal with Symfony, you'll first need to learn a few fundamental concepts.
 
 When developing a Symfony application, your responsibility as a developer
-is to write the code that maps the user's *request* (e.g.  ``http://localhost:8000/``)
-to the *resource* associated with it (the ``Welcome to Symfony!`` HTML page).
+is to write the code that maps the user's *request* (e.g.  ``http://localhost:8000/app/example``)
+to the *resource* associated with it (the ``Homepage`` HTML page).
 
 The code to execute is defined in **actions** and **controllers**. The mapping
 between user's requests and that code is defined via the **routing** configuration.
 And the contents displayed in the browser are usually rendered using **templates**.
 
-When you browsed ``http://localhost:8000/`` earlier, Symfony executed the
-controller defined in the ``src/AppBundle/Controller/DefaultController.php``
+When you browsed ``http://localhost:8000/app/example`` earlier, Symfony executed
+the controller defined in the ``src/AppBundle/Controller/DefaultController.php``
 file and rendered the ``app/Resources/views/default/index.html.twig`` template.
 In the following sections you'll learn in detail the inner workings of Symfony
 controllers, routes and templates.
@@ -186,7 +182,7 @@ information and then they render a template to show the results to the user.
 
 In this example, the ``index`` action is practically empty because it doesn't
 need to call any other method. The action just renders a template with the
-*Welcome to Symfony!* content.
+*Homepage.* content.
 
 Routing
 ~~~~~~~
@@ -221,8 +217,8 @@ start with ``/**``, whereas regular PHP comments start with ``/*``.
 The first value of ``@Route()`` defines the URL that will trigger the execution
 of the action. As you don't have to add the host of your application to
 the URL (e.g. ```http://example.com``), these URLs are always relative and
-they are usually called *paths*. In this case, the ``/`` path refers to
-the application homepage. The second value of ``@Route()`` (e.g.
+they are usually called *paths*. In this case, the ``/app/example`` path
+refers to the application homepage. The second value of ``@Route()`` (e.g.
 ``name="homepage"``) is optional and sets the name of this route. For now
 this name is not needed, but later it'll be useful for linking pages.