```ruby
class ErrorController < ApplicationController
  skip_before_filter :authenticate_admin!
  
  def not_found
    render(:status => 404)
  end

  def server_error
    render(:status => 500)
  end

  def request_too_large
    render(:status => 413)
  end

end
```

Add an s to fix things
user
```ruby
class ErrorsController < ApplicationController
  skip_before_filter :authenticate_admin!

  def not_found
    render(:status => 404)
  end

  def server_error
    render(:status => 500)
  end

  def request_too_large
    render(:status => 413)
  end

end
```
assistant