diff --git a/views/search/_software_search_form.html.erb b/views/search/_software_search_form.html.erb
index 7e547d7..9268237 100644
--- a/views/search/_software_search_form.html.erb
+++ b/views/search/_software_search_form.html.erb
@@ -12,7 +12,10 @@
       <%= hidden_field_tag :filter, params[:filter] %>
 
       <%= labelled_radio_button _('Public Software'), :software_type, 'public_software', @public_software_selected, :id => "public_software_radio_button", :class => "project-software" %>
+      <span class"doubts-catalog-software" title="<%= _('Public Software.') %>">(?)</span>
+
       <%= labelled_radio_button _('All'), :software_type, 'all', @all_selected, :id => "all_radio_button", :class => "project-software" %>
+      <span class"doubts-catalog-software" title="<%= _('All.') %>">(?)</span>
 
       <div class="search-field">
         <span class="formfield">
--
libgit2 0.21.2