diff --git a/langs/ja.json b/langs/ja.json
index 0b8928806..34e0ea31c 100644
--- a/langs/ja.json
+++ b/langs/ja.json
@@ -138,7 +138,7 @@
         "addPicture": "写真の追加",
         "ccb": "CC-BY-ライセンスで",
         "ccbs": "CC-BY-SA-ライセンスで",
-        "cco": "in the public domain",
+        "cco": "パブリックドメインで",
         "doDelete": "イメージの削除",
         "dontDelete": "[キャンセル]",
         "isDeleted": "削除済み",