diff --git a/README.md b/README.md
index fa28703..8faf878 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Flight rules for Git
 
 🌍
-*[English](README.md) ∙ [Español](README_es.md)  ∙  [Русский](README_ru.md) ∙ [简体中文](README_zh-CN.md)∙ [한국어](README_kr.md)  ∙  [Tiếng Việt](README_vi.md) ∙ [Français](README_fr.md)*
+*[English](README.md) ∙ [Español](README_es.md)  ∙  [Русский](README_ru.md) ∙ [简体中文](README_zh-CN.md)∙ [한국어](README_kr.md)  ∙  [Tiếng Việt](README_vi.md) ∙ [Français](README_fr.md) ∙ [日本語](README_ja.md)*
 
 #### What are "flight rules"?
 
diff --git a/README_es.md b/README_es.md
index 9474f72..7f6bf7d 100644
--- a/README_es.md
+++ b/README_es.md
@@ -1,7 +1,7 @@
 # Reglas de vuelo para git
 
 🌍
-*[English](README.md) ∙ [Español](README_es.md)  ∙  [Русский](README_ru.md) ∙ [简体中文](README_zh-CN.md)∙ [한국어](README_kr.md)  ∙  [Tiếng Việt](README_vi.md) ∙ [Français](README_fr.md)*
+*[English](README.md) ∙ [Español](README_es.md)  ∙  [Русский](README_ru.md) ∙ [简体中文](README_zh-CN.md)∙ [한국어](README_kr.md)  ∙  [Tiếng Việt](README_vi.md) ∙ [Français](README_fr.md) ∙ [日本語](README_ja.md)*
 
 #### ¿Qué son "reglas de vuelo"?
 
diff --git a/README_fr.md b/README_fr.md
index e057e1f..fb6f4a0 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -1,7 +1,7 @@
 # Règles de vol pour Git
 
 🌍
-*[English](README.md) ∙ [Español](README_es.md)  ∙  [Русский](README_ru.md) ∙ [简体中文](README_zh-CN.md)∙ [한국어](README_kr.md)  ∙  [Tiếng Việt](README_vi.md) ∙ [Français](README_fr.md)*
+*[English](README.md) ∙ [Español](README_es.md)  ∙  [Русский](README_ru.md) ∙ [简体中文](README_zh-CN.md)∙ [한국어](README_kr.md)  ∙  [Tiếng Việt](README_vi.md) ∙ [Français](README_fr.md) ∙ [日本語](README_ja.md)*
 
 #### C'est quoi des "règles de vol" ?
 
diff --git a/README_kr.md b/README_kr.md
index a8bc42d..1f2c560 100644
--- a/README_kr.md
+++ b/README_kr.md
@@ -1,7 +1,7 @@
 # 깃을 위한 flight rules
 
 🌍
-*[English](README.md) ∙ [Español](README_es.md)  ∙  [Русский](README_ru.md) ∙ [简体中文](README_zh-CN.md)∙ [한국어](README_kr.md)  ∙  [Tiếng Việt](README_vi.md) ∙ [Français](README_fr.md)*
+*[English](README.md) ∙ [Español](README_es.md)  ∙  [Русский](README_ru.md) ∙ [简体中文](README_zh-CN.md)∙ [한국어](README_kr.md)  ∙  [Tiếng Việt](README_vi.md) ∙ [Français](README_fr.md) ∙ [日本語](README_ja.md)*
 
 #### flight rules 가 뭐야?
 
diff --git a/README_ru.md b/README_ru.md
index 57f15f1..43f2379 100644
--- a/README_ru.md
+++ b/README_ru.md
@@ -1,7 +1,7 @@
 # Правила полета на Git
 
 🌍
-*[English](README.md) ∙ [Español](README_es.md)  ∙  [Русский](README_ru.md) ∙ [简体中文](README_zh-CN.md)∙ [한국어](README_kr.md)  ∙  [Tiếng Việt](README_vi.md) ∙ [Français](README_fr.md)*
+*[English](README.md) ∙ [Español](README_es.md)  ∙  [Русский](README_ru.md) ∙ [简体中文](README_zh-CN.md)∙ [한국어](README_kr.md)  ∙  [Tiếng Việt](README_vi.md) ∙ [Français](README_fr.md) ∙ [日本語](README_ja.md)*
 
 #### Что это за "правила полета" такие?
 
diff --git a/README_vi.md b/README_vi.md
index 270113f..f6abba0 100644
--- a/README_vi.md
+++ b/README_vi.md
@@ -1,7 +1,7 @@
 # Flight rules cho Git
 
 🌍
-*[English](README.md) ∙ [Español](README_es.md)  ∙  [Русский](README_ru.md) ∙ [简体中文](README_zh-CN.md)∙ [한국어](README_kr.md)  ∙  [Tiếng Việt](README_vi.md) ∙ [Français](README_fr.md)*
+*[English](README.md) ∙ [Español](README_es.md)  ∙  [Русский](README_ru.md) ∙ [简体中文](README_zh-CN.md)∙ [한국어](README_kr.md)  ∙  [Tiếng Việt](README_vi.md) ∙ [Français](README_fr.md) ∙ [日本語](README_ja.md)*
 
 #### "flight rules" là gì?
 
diff --git a/README_zh-CN.md b/README_zh-CN.md
index 1dc3a14..ba7862a 100644
--- a/README_zh-CN.md
+++ b/README_zh-CN.md
@@ -1,7 +1,7 @@
 # Git飞行规则(Flight Rules)
 
 🌍
-*[English](README.md) ∙ [Español](README_es.md)  ∙  [Русский](README_ru.md) ∙ [简体中文](README_zh-CN.md)∙ [한국어](README_kr.md)  ∙  [Tiếng Việt](README_vi.md) ∙ [Français](README_fr.md)*
+*[English](README.md) ∙ [Español](README_es.md)  ∙  [Русский](README_ru.md) ∙ [简体中文](README_zh-CN.md)∙ [한국어](README_kr.md)  ∙  [Tiếng Việt](README_vi.md) ∙ [Français](README_fr.md) ∙ [日本語](README_ja.md)*
 
 #### 前言