minor #4447 [Book] tweaks to #4427 (xabbuh)

This PR was merged into the 2.3 branch.

Discussion
----------

[Book] tweaks to #4427

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | all
| Fixed tickets |

Applied tweaks suggested by @javiereguiluz.

Commits
-------

caf927f tweaks to #4427

book/routing.rst

@@ -410,7 +410,7 @@ entries? Update the route to have a new ``{page}`` placeholder:
     .. code-block:: php-annotations
 
         // src/AppBundle/Controller/BlogController.php
-        
+
         // ...
 
         /**
@@ -470,7 +470,7 @@ This is done by including it in the ``defaults`` collection:
     .. code-block:: php-annotations
 
         // src/AppBundle/Controller/BlogController.php
-        
+
         // ...
 
         /**
@@ -555,7 +555,7 @@ Take a quick look at the routes that have been created so far:
     .. code-block:: php-annotations
 
         // src/AppBundle/Controller/BlogController.php
-        
+
         // ...
         class BlogController extends Controller
         {
@@ -738,7 +738,7 @@ URL:
     .. code-block:: php-annotations
 
         // src/AppBundle/Controller/MainController.php
-        
+
         // ...
         class MainController extends Controller
         {
@@ -1283,8 +1283,8 @@ suppose you want to prefix all routes in the AppBundle with ``/site`` (e.g.
 
         return $collection;
 
-The string ``/site`` will now be prepended to the path of each route loaded
-from the new routing resource.
+The path of each route being loaded from the new routing resource will now
+be prefixed with the string ``/site``.
 
 Adding a Host Requirement to Imported Routes
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

book/templating.rst

@@ -387,7 +387,7 @@ By default, templates can live in two different locations:
   third party bundle templates (see :ref:`overriding-bundle-templates`);
 
 * ``path/to/bundle/Resources/views/``: Each third party bundle houses its
-  templates in its ``Resources/views`` directory (and subdirectories). When you
+  templates in its ``Resources/views/`` directory (and subdirectories). When you
   plan to share your bundle, you should put the templates in the bundle instead
   of the ``app/`` directory.
 
@@ -435,8 +435,8 @@ directory. This gives the power to override templates from any vendor bundle.
 
 .. tip::
 
-    Hopefully the template naming syntax looks familiar - it's similair to the
-    naming convention used to refer to :ref:`controller-string-syntax`.
+    Hopefully the template naming syntax looks familiar - it's similar to
+    the naming convention used to refer to :ref:`controller-string-syntax`.
 
 Template Suffix
 ~~~~~~~~~~~~~~~
@@ -1353,7 +1353,7 @@ covered:
       {% endblock %}
 
 Notice that this template extends the section template (``Blog/layout.html.twig``)
-which in-turn extends the base application layout (``base.html.twig``). This is
+which in turn extends the base application layout (``base.html.twig``). This is
 the common three-level inheritance model.
 
 When building your application, you may choose to follow this method or simply
@@ -1466,7 +1466,7 @@ Debugging
 
 When using PHP, you can use :phpfunction:`var_dump` if you need to quickly find
 the value of a variable passed. This is useful, for example, inside your
-controller.  The same can be achieved when using Twig thanks to the debug
+controller. The same can be achieved when using Twig thanks to the Debug
 extension.
 
 Template parameters can then be dumped using the ``dump`` function: