diff --git a/doc/README.md b/doc/README.md
index e427e21..b696c62 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -3,3 +3,4 @@ Documentation
 
 - [Configuration](configuration.md)
 - [Migrating from mailfull](migrating_from_mailfull.md)
+- [Commands Guide 日本語](commands_guide_ja.md)