diff --git a/assets/javascripts/views/pages/javascript.coffee b/assets/javascripts/views/pages/javascript.coffee
index 16eb5290..6f75720b 100644
--- a/assets/javascripts/views/pages/javascript.coffee
+++ b/assets/javascripts/views/pages/javascript.coffee
@@ -27,7 +27,6 @@ app.views.MongoosePage =
 app.views.NodePage =
 app.views.PhaserPage =
 app.views.SinonPage =
-app.views.UnderscorePage =
 app.views.WebpackPage =
 app.views.JavascriptPage
 
diff --git a/assets/javascripts/views/pages/simple.coffee b/assets/javascripts/views/pages/simple.coffee
index a0b07c2c..f02f1244 100644
--- a/assets/javascripts/views/pages/simple.coffee
+++ b/assets/javascripts/views/pages/simple.coffee
@@ -11,4 +11,5 @@ app.views.RamdaPage =
 app.views.ReactPage =
 app.views.RethinkdbPage =
 app.views.TypescriptPage =
+app.views.UnderscorePage =
 app.views.SimplePage
diff --git a/lib/docs/filters/backbone/clean_html.rb b/lib/docs/filters/backbone/clean_html.rb
index 89fe58d6..710b9d51 100644
--- a/lib/docs/filters/backbone/clean_html.rb
+++ b/lib/docs/filters/backbone/clean_html.rb
@@ -18,6 +18,10 @@ module Docs
           node.name = 'code'
         end
 
+        css('pre').each do |node|
+          node['data-language'] = 'javascript'
+        end
+
         doc
       end
     end
diff --git a/lib/docs/scrapers/backbone.rb b/lib/docs/scrapers/backbone.rb
index c4f4c6e9..b72b1084 100644
--- a/lib/docs/scrapers/backbone.rb
+++ b/lib/docs/scrapers/backbone.rb
@@ -3,7 +3,7 @@ module Docs
     self.name = 'Backbone.js'
     self.slug = 'backbone'
     self.type = 'underscore'
-    self.release = '1.3.2'
+    self.release = '1.3.3'
     self.base_url = 'http://backbonejs.org'
     self.links = {
       home: 'http://backbonejs.org/',