diff --git a/app/views/content_viewer/article_versions.rhtml b/app/views/content_viewer/article_versions.rhtml
index 055b439..7298b1e 100644
--- a/app/views/content_viewer/article_versions.rhtml
+++ b/app/views/content_viewer/article_versions.rhtml
@@ -1,3 +1,7 @@
+<% button_bar do %>
+  <%= button(:back, _('Back to the post'), {:action => 'view_page'}) %>
+<% end %>  
+
 <%= article_title(@page, :no_link => true) %>
 
 <p><%= _('This is the list of all versions of this content. Select a version to see it and then revert to it.') %>.</p>
diff --git a/app/views/content_viewer/versioned_article.rhtml b/app/views/content_viewer/versioned_article.rhtml
index 130d09b..c4efc0a 100644
--- a/app/views/content_viewer/versioned_article.rhtml
+++ b/app/views/content_viewer/versioned_article.rhtml
@@ -1,3 +1,11 @@
+<% button_bar do %>
+  <%= button(:back, _('Back to the versions'), {:action => 'article_versions'}) %>
+<% end %>  
+
+<% button_bar do %>
+  <%= button(:back, _('Go to current version'), {:action => 'view_page'}) %>
+<% end %>  
+
 <div id="article" class="<%= @page.css_class_name %>">
 
   <div id="article-actions">
@@ -15,6 +23,8 @@
     <%= _("Version %{version} - %{author} on %{date}") % {:version => @version, :author => @page.author_name(@version), :date => show_time(@versioned_article.updated_at) } %>
   </div>
 
+<i><%= _('This is not the current version.') %>.</i>
+
   <% if @page.version_license(@version).present? %>
     <div id='article-sub-header'>
       <% if @page.version_license(@version).present? %>
diff --git a/app/views/content_viewer/versions_diff.html.erb b/app/views/content_viewer/versions_diff.html.erb
index 9d0c7f0..869df23 100644
--- a/app/views/content_viewer/versions_diff.html.erb
+++ b/app/views/content_viewer/versions_diff.html.erb
@@ -1,4 +1,14 @@
+<% button_bar do %>
+  <%= button(:back, _('Back to the versions'), {:action => 'article_versions'}) %>
+<% end %>  
+
 <h1><%= _('Changes on "%s"') % @page.title %></h1>
 
 <p> <%= _('Changes from %s &rarr; %s') % [show_time(@v1.updated_at), show_time(@v2.updated_at)] %> </p>
-<%= Diffy::Diff.new(@v1.body, @v2.body, :context => 1).to_s(:html) %>
+
+<% temp = Diffy::Diff.new(@v1.body, @v2.body, :context => 1).to_s(:text).blank? %>
+<% if temp %>
+  <i><%= _('These versions are equals!')%></i>
+<% else %>
+  <%= Diffy::Diff.new(@v1.body, @v2.body, :context => 1).to_s(:html) %>
+<% end %>
--
libgit2 0.21.2