Added a couple of missing semicolons

Author: rickpastoor

components/http_foundation/introduction.rst

@@ -449,7 +449,7 @@ abstracts the hard work behind a simple API::
 Alternatively, if you are serving a static file, you can use a
 :class:`Symfony\\Component\\HttpFoundation\\BinaryFileResponse`::
 
-    use Symfony\Component\HttpFoundation\BinaryFileResponse
+    use Symfony\Component\HttpFoundation\BinaryFileResponse;
 
     $file = 'path/to/file.txt';
     $response = new BinaryFileResponse($file);
@@ -465,7 +465,7 @@ if it should::
 
 You can still set the ``Content-Type`` of the sent file, or change its ``Content-Disposition``::
 
-    $response->headers->set('Content-Type', 'text/plain')
+    $response->headers->set('Content-Type', 'text/plain');
     $response->setContentDisposition(ResponseHeaderBag::DISPOSITION_ATTACHMENT, 'filename.txt');
 
 .. _component-http-foundation-json-response: