ruby on rails - undefined method `article_path' -

this error occuring , have no idea why, thanks, undefined method `article_path' #<#:0x000001029cb960>

edit.html.erb

<h1>editing <%= @article.name %></h1>  <%= form_for(@article) |f| %> <-- ????something here?     <p>         <%= f.label :name %><br />         <%= f.text_field :name %>     </p>     <p>         <%= f.submit %>     </p>   <% end %> 

articles model

class mediacontroller < applicationcontroller       def index         @articles = articles.all     end      def show         @article = articles.find(params[:id])     end      def edit         @article = articles.find(params[:id])     end      def update         @article.find(params[:id])         article_params = params.require(:article).permit(:name, :description, :location)         @article.update(article_params)         redirect_to @article     end  end 

routes.rb

resources :media   patch "events/:id" => "media#update", as: "update_medium" 

change routes

patch "articles/:id" => "media#update", as: "update_medium" 

and model name singular :

@articles = article.all