<%= provide(:header, "Seus O.A.'s") %>

<%= link_to "Criar novo O.A.", new_learning_object_path, class: "btn btn-primary pull-right" %>
<br></br>
<br></br>

<% @learning_objects.each do |lo| %>
  <div class="box box-solid box-default">
    <div class="box-header">
      <h3 class="box-title"><%= lo.title %></h></h3>
    </div><!-- /.box-header -->
    <div class="box-body">
      <%= truncate(lo.description, length: 400, separator: ' ') %>
    </div><!-- /.box-body -->
    <div class="box-footer">
      <b><%= available_text(lo.available) %></b>
      <div class="pull-right">
        <%= link_to "Ver", lo %> |
        <%= link_to "Deletar", lo, method: :delete,
                    data: { confirm: "Tem certeza que deseja excluir?" } %>
      </div>
    </div>
  </div>
<% end %>

<%= provide(:header, "Seus O.A.'s") %>

<%= link_to "Criar novo O.A.", new_learning_object_path, class: "btn btn-primary pull-right" %>
<br></br>
<br></br>

<% @learning_objects.each do |lo| %>
  <div class="box box-solid box-default">
    <div class="box-header">
      <h3 class="box-title"><%= lo.title %></h></h3>
    </div><!-- /.box-header -->
    <div class="box-body">
      <%= truncate(lo.description, length: 400, separator: ' ') %>
    </div><!-- /.box-body -->
    <div class="box-footer">
      <b><%= available_text(lo.available) %></b>
      <div class="pull-right">
        <%= link_to "Ver", lo %> |
        <%= link_to "Excluir", lo, method: :delete,
                    data: { confirm: "Tem certeza que deseja excluir?" } %>
      </div>
    </div>
  </div>
<% end %>

Change delete link text display
Change delete link text display
