diff --git a/views/comments_extra_field.html.erb b/views/comments_extra_field.html.erb
index 71419c8..0fb257c 100644
--- a/views/comments_extra_field.html.erb
+++ b/views/comments_extra_field.html.erb
@@ -1,6 +1,6 @@
 <div id="input_institution_comments">
   <%= label_tag "input_institution", _("Organization name or Enterprise name")%>
-  <span class="star-tooltip"></span>
+  <span class="star-tooltip" title="Digite o nome da empresa ou organização"></span>
   <input type="text" id="input_institution">
 
   <%= content_tag(:div, _("No institution found"),
diff --git a/views/communities_ratings_extra_fields_show_institution.html.erb b/views/communities_ratings_extra_fields_show_institution.html.erb
index 4de4153..05b234c 100644
--- a/views/communities_ratings_extra_fields_show_institution.html.erb
+++ b/views/communities_ratings_extra_fields_show_institution.html.erb
@@ -1,7 +1,7 @@
-<% if user_rating.comment.institution %>
+<% if user_rating.comment and user_rating.comment.institution %>
 <div class="aditional-informations">
   <div class="comments-user-institution">
-    <span>Institution :<span> <%= user_rating.comment.institution.name %>
+    <span>Institution :<span> <%= user_rating.comment.institution.name unless user_rating.comment.nil? %>
   </div>
 </div>
 <% end %>
--
libgit2 0.21.2