diff --git a/locales/ja-KS.yml b/locales/ja-KS.yml
index e8db614701..edee69c3f4 100644
--- a/locales/ja-KS.yml
+++ b/locales/ja-KS.yml
@@ -335,6 +335,7 @@ common/views/components/note-menu.vue:
   detail: "もっと"
   copy-link: "リンクをコピー"
   favorite: "お気に入り"
+  unfavorite: "お気に入り解除"
   pin: "ピン留め"
   unpin: "ピン留めやめる"
   delete: "ほかす"