Editing announcement

<% form_for(@announcement) do |f| %> <%= f.error_messages %>

<%= f.label :title, "Title" %> <%= f.text_field :title %>

<%= f.label :content, "Content" %> <%= f.text_area :content %>

<%= f.submit 'Update' %>

<% end %> <%= link_to 'Show', @announcement %> | <%= link_to 'Back', announcements_path %>