<%= simple_form_for(:user, :url => update_current_users_path) do |f| %>

<%= f.input :name, :label => "Nome", :input_html => {:class => "form-control"} %>

<%= f.input :email, required: true, autofocus: true, :label => "E-mail", :input_html => {:class => "form-control"} %>

<%= f.input :password, :label => "Senha", :input_html => {:class => "form-control", :autocomplete => "off"} %>

Caso não deseje alterar a senha deixe em branco

<%= f.input :password_confirmation, :label => "Confirme a Senha", :input_html => {:class => "form-control"} %>

<%= f.button :submit, "Salvar", :class => "btn btn-success btn-lg" %>

<% end %>