diff --git a/src/nginxconfig/i18n/de/languages.js b/src/nginxconfig/i18n/de/languages.js
index 44143a5..3723da9 100644
--- a/src/nginxconfig/i18n/de/languages.js
+++ b/src/nginxconfig/i18n/de/languages.js
@@ -34,5 +34,5 @@ export default {
     ru: 'Russisch',
     pl: 'Polnisch',
     de: 'Deutsch',
-    ja: 'Japans',
+    ja: 'Japanisch',
 };
diff --git a/src/nginxconfig/i18n/en/languages.js b/src/nginxconfig/i18n/en/languages.js
index cc3357d..5cb3060 100644
--- a/src/nginxconfig/i18n/en/languages.js
+++ b/src/nginxconfig/i18n/en/languages.js
@@ -34,5 +34,5 @@ export default {
     ru: 'Russian',
     pl: 'Polish',
     de: 'German',
-    ja: 'Japans',
+    ja: 'Japanese',
 };
diff --git a/src/nginxconfig/i18n/ja/common.js b/src/nginxconfig/i18n/ja/common.js
index d5ba092..17904e6 100644
--- a/src/nginxconfig/i18n/ja/common.js
+++ b/src/nginxconfig/i18n/ja/common.js
@@ -25,22 +25,22 @@ THE SOFTWARE.
 */
 
 export default {
-	back: '戻る',
-	next: '次へ',
-	enable: '有効にする',
-	php: 'PHP',
-	ssl: 'SSL',
-	nginx: 'NGINX',
-	http: 'HTTP',
-	https: 'HTTPS',
-	letsEncrypt: 'Let\'s Encrypt',
-	python: 'Python',
-	wordPress: 'WordPress',
-	drupal: 'Drupal',
-	magento: 'Magento',
-	joomla: 'Joomla',
-	django: 'Django',
-	logging: 'ログ',
+    back: '戻る',
+    next: '次へ',
+    enable: '有効にする',
+    php: 'PHP',
+    ssl: 'SSL',
+    nginx: 'NGINX',
+    http: 'HTTP',
+    https: 'HTTPS',
+    letsEncrypt: 'Let\'s Encrypt',
+    python: 'Python',
+    wordPress: 'WordPress',
+    drupal: 'Drupal',
+    magento: 'Magento',
+    joomla: 'Joomla',
+    django: 'Django',
+    logging: 'ログ',
     reverseProxy: 'リバースプロキシ',
     reverseProxyLower: 'リバースプロキシ',
     restrict: '制限',
diff --git a/src/nginxconfig/i18n/ja/languages.js b/src/nginxconfig/i18n/ja/languages.js
index 0dc3c24..c164518 100644
--- a/src/nginxconfig/i18n/ja/languages.js
+++ b/src/nginxconfig/i18n/ja/languages.js
@@ -25,14 +25,14 @@ THE SOFTWARE.
 */
 
 export default {
-    en: 'English',
-    es: 'Spanish',
-    zhCN: 'Chinese (simplified)',
-    zhTW: 'Chinese (traditional)',
-    ptBR: 'Portuguese (brazilian)',
-    fr: 'French',
-    ru: 'Russian',
-    pl: 'Polish',
-    de: 'German',
+    en: '英語',
+    es: 'スペイン語',
+    zhCN: '中国語 (簡体字)',
+    zhTW: '中国語 (繁体字)',
+    ptBR: 'ポルトガル語 (ブラジル)',
+    fr: 'フランス語',
+    ru: 'ロシア語',
+    pl: 'ポーランド語',
+    de: 'ドイツ語',
     ja: '日本語',
 };
diff --git a/src/nginxconfig/i18n/ja/templates/callouts/contribute.js b/src/nginxconfig/i18n/ja/templates/callouts/contribute.js
index 9a4d456..6312749 100644
--- a/src/nginxconfig/i18n/ja/templates/callouts/contribute.js
+++ b/src/nginxconfig/i18n/ja/templates/callouts/contribute.js
@@ -26,5 +26,5 @@ THE SOFTWARE.
 
 export default {
     wantToContributeChanges: '👋 新機能や変更の提案や実装、翻訳をしてみませんか?',
-    getInvolvedOnGitHub: 'Get involved on GitHub',
+    getInvolvedOnGitHub: 'GitHub で参加しよう',
 };
diff --git a/src/nginxconfig/i18n/ja/templates/global_sections/performance.js b/src/nginxconfig/i18n/ja/templates/global_sections/performance.js
index db0a9e1..1445c97 100644
--- a/src/nginxconfig/i18n/ja/templates/global_sections/performance.js
+++ b/src/nginxconfig/i18n/ja/templates/global_sections/performance.js
@@ -28,7 +28,7 @@ import common from '../../common';
 
 export default {
     disableHtmlCaching: 'HTML キャッシュの無効化',
-    enableDisableHtmlCaching: 'TML キャッシュを無効にする',
+    enableDisableHtmlCaching: 'HTML キャッシュを無効にする',
     gzipCompression: 'Gzip 圧縮',
     enableGzipCompression: `gzip 圧縮を${common.enable}`,
     brotliCompression: 'Brotli 圧縮',
diff --git a/src/nginxconfig/i18n/ja/templates/setup_sections/go_live.js b/src/nginxconfig/i18n/ja/templates/setup_sections/go_live.js
index 067bbcf..39623f5 100644
--- a/src/nginxconfig/i18n/ja/templates/setup_sections/go_live.js
+++ b/src/nginxconfig/i18n/ja/templates/setup_sections/go_live.js
@@ -27,7 +27,7 @@ THE SOFTWARE.
 import common from '../../common';
 
 export default {
-    letsGoLive: 'Let\'s go live!',
+    letsGoLive: '起動しよう!',
     reloadNginxToLoadInYourNewConfiguration: `${common.nginx} をリロードして新しい設定を反映します:`,
-    goLive: 'Go live!',
+    goLive: '起動!',
 };
diff --git a/src/nginxconfig/i18n/pl/languages.js b/src/nginxconfig/i18n/pl/languages.js
index 9605ccf..e6beb15 100644
--- a/src/nginxconfig/i18n/pl/languages.js
+++ b/src/nginxconfig/i18n/pl/languages.js
@@ -34,5 +34,5 @@ export default {
     ru: 'Rosyjski',
     pl: 'Polski',
     de: 'Niemiecki',
-    ja: 'Japonês',
+    ja: 'Japoński',
 };