Merge pull request #3304 from Alnusjaponica/fix-typo

Fix syntax error in docstring

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)),
         ])
     """