Typo : 'use' is expecting ',' or ';'

`use` is expecting ',' or ';' : here, `;` seems a good choice :-)

controller.rst

@@ -260,7 +260,7 @@ any other "work" you can think of.
 If you need a service in a controller, just type-hint an argument with its class
 (or interface) name. Symfony will automatically pass you the service you need::
 
-    use Psr\Log\LoggerInterface
+    use Psr\Log\LoggerInterface;
     // ...
 
     /**