diff --git a/tornado/web.py b/tornado/web.py
index 439e02c47bad3fe5f597a6972d3001a32cdb9b67..333f736808213c44c3f0f0ec969552d75ea79732 100644
--- a/tornado/web.py
+++ b/tornado/web.py
@@ -3135,7 +3135,7 @@ class FallbackHandler(RequestHandler):
             django.core.handlers.wsgi.WSGIHandler())
         application = tornado.web.Application([
             (r"/foo", FooHandler),
-            (r".*", FallbackHandler, dict(fallback=wsgi_app),
+            (r".*", FallbackHandler, dict(fallback=wsgi_app)),
         ])
     """