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zendframework · Jan 7, 2016 · 1beb501 · 1beb501
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diff --git a/doc/book/cookbook/using-routed-middleware-class-as-controller.md b/doc/book/cookbook/using-routed-middleware-class-as-controller.md
@@ -69,7 +69,7 @@ In above abstract class with modified `__invoke()` method, we check if the actio
 
 So, what we need to do in out routed middleware class is extends the AbstractPage we created:
 
-```
+```php
 namespace Album\Action;
 
 use App\Action\AbstractPage;