diff --git a/README_dev_en.md b/README_dev_en.md
index 99e5b940..557e8a36 100644
--- a/README_dev_en.md
+++ b/README_dev_en.md
@@ -1,6 +1,6 @@
 ## For Developper
 
-[Japanese](/README_dev_ja.md)
+[Japanese](/README_dev_ja.md) [Russian](/README_dev_ru.md)
 
 ## Prerequisit