diff --git a/site/plugins/admin/lang/ru_RU.json b/site/plugins/admin/lang/ru_RU.json
index dcbfdb8c..29f5b4a4 100644
--- a/site/plugins/admin/lang/ru_RU.json
+++ b/site/plugins/admin/lang/ru_RU.json
@@ -8,6 +8,9 @@
   "admin_information": "Информация",
   "admin_installed": "Установлено",
   "admin_keywords": "Ключевые слова",
+  "admin_documentation": "Документация",
+  "admin_memcache_server": "Memcache Server",
+  "admin_memcache_port": "Memcache Port",
   "admin_login": "Логин",
   "admin_entries": "Записи",
   "admin_extends": "Расширения",