Update upload_file.rst

Mindaugas · xabbuh · commit b4bed3969361 · 2016-06-20T13:59:15.000+02:00
seperate -&gt; separate
diff --git a/cookbook/controller/upload_file.rst b/cookbook/controller/upload_file.rst
@@ -222,7 +222,7 @@ Creating an Uploader Service
 ----------------------------
 
 To avoid logic in controllers, making them big, you can extract the upload
-logic to a seperate service::
+logic to a separate service::
 
     // src/AppBundle/FileUploader.php
     namespace AppBundle;
