Editing comment

<%= error_messages_for :comment %> <%= form_for(:comment, :url => object_url, :html => { :method => :put }) do |f| %>

Post
<%= f.text_field :post_id %>

Author
<%= f.text_field :author %>

Body
<%= f.text_area :body %>

<%= submit_tag "Update" %>

<% end %> <%= link_to 'Show', object_url %> | <%= link_to 'Back', collection_url %>