minor #4914 Fix typo, remove horizontal scrollbar (ifdattic)

This PR was merged into the 2.3 branch.

Discussion
----------

Fix typo, remove horizontal scrollbar

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

Commits
-------

d078ca4 Fix typo, remove horizontal scrollbar

Author: weaverryan

components/class_loader/class_map_generator.rst

@@ -45,7 +45,7 @@ Generating a Class Map
 ----------------------
 
 To generate the class map, simply pass the root directory of your class files
-to the :method:`Symfony\\Component\\ClassLoader\\ClassMapGenerator::createMap``
+to the :method:`Symfony\\Component\\ClassLoader\\ClassMapGenerator::createMap`
 method::
 
     use Symfony\Component\ClassLoader\ClassMapGenerator;
@@ -115,7 +115,10 @@ the same as in the example above)::
 
     use Symfony\Component\ClassLoader\ClassMapGenerator;
 
-    ClassMapGenerator::dump(array(__DIR__.'/library/bar', __DIR__.'/library/foo'), __DIR__.'/class_map.php');
+    ClassMapGenerator::dump(
+        array(__DIR__.'/library/bar', __DIR__.'/library/foo'),
+        __DIR__.'/class_map.php'
+    );
 
 .. _`PSR-0`: http://www.php-fig.org/psr/psr-0
 .. _`PSR-4`: http://www.php-fig.org/psr/psr-4