ruby on rails - change nested resources param -

i trying change param in nested resource reason add name of parent resource

routes.rb

  resources :users, path: 're', param: :username     resource :profile   end 

this how routes looking right now

user_profile post   /re/:user_username/profile(.:format)      profiles#create     new_user_profile    /re/:user_username/profile/new(.:format)  profiles#new    edit_user_profile    /re/:user_username/profile/edit(.:format) profiles#edit                         /re/:user_username/profile(.:format)      profiles#show                      patch  /re/:user_username/profile(.:format)      profiles#update                      put    /re/:user_username/profile(.:format)      profiles#update                      delete /re/:user_username/profile(.:format)      profiles#destroy                users    /re(.:format)                             users#index                      post   /re(.:format)                             users#create             new_user    /re/new(.:format)                         users#new            edit_user    /re/:username/edit(.:format)              users#edit                 user    /re/:username(.:format)                   users#show                      patch  /re/:username(.:format)                   users#update                      put    /re/:username(.:format)                   users#update                      delete /re/:username(.:format)  

how can change /re/:user_username/profile/new(.:format) /re/:username/profile/new(.:format)