diff --git a/conf.py b/conf.py
index 7064a0dec..bc270c326 100644
--- a/conf.py
+++ b/conf.py
@@ -224,10 +224,12 @@ languages_names = {
     'en': 'EN',
     'es': 'ES',
     'fr': 'FR',
+    'it': 'IT',
     'nl': 'NL',
     'pt_BR': 'PT',
     'uk': 'UA',
-    'zh_CN': 'ZH',
+    'zh_CN': 'ZH (CN)',
+    'zh_TW': 'ZH (TW)'
 }
 
 # The directory in which files holding redirect rules used by the 'redirects' extension are listed.