Merge pull request #437 from floriansemm/doc-fixes

fix sample-code in Plugin System section

docs/customizing-solarium.md

@@ -97,7 +97,8 @@ By combining these options you can achieve almost any type of customization with
 
 Solarium uses a separate library (included using Composer) for events. For more info on the Event Dispatcher take a look at [http://symfony.com/doc/2.0/components/event\_dispatcher/introduction.html the docs](http://symfony.com/doc/2.0/components/event_dispatcher/introduction.html_the_docs)
 
-This example shows all available events and how to use the events to create a very basic debugger: ```php
+This example shows all available events and how to use the events to create a very basic debugger: 
+```php
 <?php
 require(__DIR__.'/init.php');
 use Solarium\Core\Event\Events;
@@ -230,7 +231,8 @@ htmlFooter();
 
 ```
 
-The second example shows how to replace the built-in select querytype with a custom implementation: ```php
+The second example shows how to replace the built-in select querytype with a custom implementation: 
+```php
 <?php
 require(__DIR__.'/init.php');
 use Solarium\Client;
@@ -297,4 +299,4 @@ Extending Solarium classes
 You can extend any class in Solarium, there is no use of 'private' or 'final'. However, Solarium does have several built-in class mappings for factory methods. Most important are the querytype mapping in Solarium\\Client and the component mapping in Solarium\\QueryType\\Select\\Query\\Query. In some cases you might need to alter this mappings for your classes to be used.
 Other than that, there are no special issues to be expected. You can extend Solarium classes like any other PHP class.
 
-If your use case can be solved using plugins that is probably the safest choice, as by extending classes you gain access to non-public methods in the API. These are subject to change in future releases, where the public API is not (except for major releases). 
\ No newline at end of file
+If your use case can be solved using plugins that is probably the safest choice, as by extending classes you gain access to non-public methods in the API. These are subject to change in future releases, where the public API is not (except for major releases).