minor #4715 Improve readability (ifdattic)

This PR was merged into the 2.3 branch.

Discussion
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Improve readability

Remove horizontal scroll on smaller width

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

Commits
-------

9b9f452 Improve readability

book/http_fundamentals.rst

@@ -242,8 +242,8 @@ have all the request information at your fingertips::
     $request->headers->get('host');
     $request->headers->get('content_type');
 
-    $request->getMethod();          // GET, POST, PUT, DELETE, HEAD
-    $request->getLanguages();       // an array of languages the client accepts
+    $request->getMethod();    // GET, POST, PUT, DELETE, HEAD
+    $request->getLanguages(); // an array of languages the client accepts
 
 As a bonus, the ``Request`` class does a lot of work in the background that
 you'll never need to worry about. For example, the ``isSecure()`` method