diff --git a/locales/pt-PT.yml b/locales/pt-PT.yml
index c8f95102c9..01758b1a72 100644
--- a/locales/pt-PT.yml
+++ b/locales/pt-PT.yml
@@ -115,6 +115,9 @@ common:
   reduce-motion: "UIの動きを減らす"
   this-setting-is-this-device-only: "このデバイスのみ"
   do-not-use-in-production: 'これは開発ビルドです。本番環境で使用しないでください。'
+  error:
+    title: '問題が発生しました'
+    retry: 'やり直す'
   reversi:
     drawn: "Empatado"
     my-turn: "Seu turno"