typo fix within urldispatch narrative, example 2 (cherry picked from commit...

dowwie

2016-06-20 df0190862611fbd0507b1e79d46e91607688cd83

typo fix within urldispatch narrative, example 2
(cherry picked from commit 49783e1)

 docs/narr/urldispatch.rst

@@ -556,7 +556,7 @@

   @view_config(route_name='idea')
   def idea_view(request):
       return Response(request.matchdict['id'])
       return Response(request.matchdict['idea'])
   
   @view_config(route_name='user')
   def user_view(request):