diff --git a/src/config/locales/ja-JP.json b/src/config/locales/ja-JP.json
index ad8017ed4..e33898f70 100644
--- a/src/config/locales/ja-JP.json
+++ b/src/config/locales/ja-JP.json
@@ -707,5 +707,11 @@
     "day": "days",
     "month": "months",
     "year": "years"
+  },
+  "quick_reply": {
+    "placeholder": "Add a comment",
+    "comment": "Comment",
+    "reply": "REPLY",
+    "close": "CLOSE"
   }
 }