minor #4945 Fixes for 2.3 branch (ifdattic)

This PR was merged into the 2.3 branch.

Discussion
----------

Fixes for 2.3 branch

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | 2.3
| Fixed tickets |

Commits
-------

6b3b3bc Fix typos
2aa40e6 Change installation method order

components/intl.rst

@@ -22,8 +22,8 @@ Installation
 
 You can install the component in two different ways:
 
-* Using the official Git repository (https://github.com/symfony/Intl);
-* :doc:`Install it via Composer</components/using_components>` (``symfony/intl`` on `Packagist`_).
+* :doc:`Install it via Composer</components/using_components>` (``symfony/intl`` on `Packagist`_);
+* Using the official Git repository (https://github.com/symfony/Intl).
 
 If you install the component via Composer, the following classes and functions
 of the intl extension will be automatically provided if the intl extension is

components/routing/introduction.rst

@@ -288,7 +288,7 @@ calls a closure and uses the result as a :class:`Symfony\\Component\\Routing\\Ro
 
     use Symfony\Component\Routing\Loader\ClosureLoader;
 
-    $closure = function() {
+    $closure = function () {
         return new RouteCollection();
     };
 
@@ -307,7 +307,7 @@ out here.
 The all-in-one Router
 ~~~~~~~~~~~~~~~~~~~~~
 
-The :class:`Symfony\\Component\\Routing\\Router` class is a all-in-one package
+The :class:`Symfony\\Component\\Routing\\Router` class is an all-in-one package
 to quickly use the Routing component. The constructor expects a loader instance,
 a path to the main route definition and some other settings::