diff --git a/README.md b/README.md
index 9fe48b01..3c3ca406 100644
--- a/README.md
+++ b/README.md
@@ -375,7 +375,7 @@ Currently, translations are available for these 27 locales:
 * `Locale('fa')`
 * `Locale('hi')`
 * `Locale('sr')`
-* `Locale('jp')`
+* `Locale('ja')`
 
 #### Contributing to translations
 
diff --git a/lib/src/translations/toolbar.i18n.dart b/lib/src/translations/toolbar.i18n.dart
index 7fc356e9..be92116c 100644
--- a/lib/src/translations/toolbar.i18n.dart
+++ b/lib/src/translations/toolbar.i18n.dart
@@ -543,7 +543,7 @@ extension Localization on String {
           'Edit': '編輯',
           'Apply': '應用',
         },
-        'jp': {
+        'ja': {
           'Paste a link': 'リンクをペースト',
           'Ok': '完了',
           'Select Color': '色を選択',