Update the_big_picture.rst

Author: BT643

quick_tour/the_big_picture.rst

@@ -219,7 +219,7 @@ the application homepage. The second value of ``@Route()`` (e.g.
 ``name="homepage"``) is optional and sets the name of this route. For now
 this name is not needed, but later it'll be useful for linking pages.
 
-Considering all this, the ``@Route("/", name="homepage")`` annotation creates
+Considering all this, the ``@Route("/app/example", name="homepage")`` annotation creates
 a new route called ``homepage`` which makes Symfony execute the ``index``
 action of the ``Default`` controller when the user browses the ``/`` path
 of the application.