minor #4916 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
-------

7065dd1 Remove horizontal scrollbar
4d400bd Fix typos

components/config/definition.rst

@@ -506,7 +506,7 @@ By changing a string value into an associative array with ``name`` as the key::
             ->arrayNode('connection')
                 ->beforeNormalization()
                     ->ifString()
-                    ->then(function($v) { return array('name'=> $v); })
+                    ->then(function ($v) { return array('name' => $v); })
                 ->end()
                 ->children()
                     ->scalarNode('name')->isRequired()

components/console/introduction.rst

@@ -431,9 +431,11 @@ method::
 
             $command = $application->find('demo:greet');
             $commandTester = new CommandTester($command);
-            $commandTester->execute(
-                array('command' => $command->getName(), 'name' => 'Fabien', '--iterations' => 5)
-            );
+            $commandTester->execute(array(
+                'command'      => $command->getName(),
+                'name'         => 'Fabien',
+                '--iterations' => 5,
+            ));
 
             $this->assertRegExp('/Fabien/', $commandTester->getDisplay());
         }