diff --git a/lib/docs/filters/angular/clean_html.rb b/lib/docs/filters/angular/clean_html.rb
index 0ac3a278..59957865 100644
--- a/lib/docs/filters/angular/clean_html.rb
+++ b/lib/docs/filters/angular/clean_html.rb
@@ -56,6 +56,8 @@ module Docs
           node['data-language'] = 'typescript' if node['path'].try(:ends_with?, '.ts')
           node['data-language'] = 'html' if node['path'].try(:ends_with?, '.html')
           node['data-language'] = 'css' if node['path'].try(:ends_with?, '.css')
+          node['data-language'] = 'js' if node['path'].try(:ends_with?, '.js')
+          node['data-language'] = 'json' if node['path'].try(:ends_with?, '.json')
           node['data-language'] = node['language'].sub(/\Ats/, 'typescript').strip if node['language']
           node['data-language'] ||= 'typescript' if node.content.start_with?('@')
 
diff --git a/lib/docs/scrapers/angular.rb b/lib/docs/scrapers/angular.rb
index cafbfbe5..78ed5123 100644
--- a/lib/docs/scrapers/angular.rb
+++ b/lib/docs/scrapers/angular.rb
@@ -16,7 +16,7 @@ module Docs
     HTML
 
     version do
-      self.release = '4.3.2'
+      self.release = '4.4.1'
       self.base_url = 'https://angular.io/'
       self.root_path = 'docs'