diff --git a/src/locales/strings/ja.json b/src/locales/strings/ja.json
index e741aeb9b85..5c1120ce5b1 100644
--- a/src/locales/strings/ja.json
+++ b/src/locales/strings/ja.json
@@ -655,15 +655,21 @@
   "restore_wallets_modal_description": "全てのアーカイブと削除されたウォレットを復元します",
   "restore_wallets_modal_confirm": "確認",
   "restore_wallets_modal_cancel": "キャンセル",
-  "unique_identifier": "特殊な識別子",
-  "unique_identifier_memo": "メモ",
-  "unique_identifier_memo_id": "メモID",
-  "unique_identifier_destination_tag": "宛先タグ",
-  "unique_identifier_note": "メモ",
-  "unique_identifier_dropdown_option_memo": "メモを追加",
-  "unique_identifier_dropdown_option_memo_id": "メモIDを追加",
-  "unique_identifier_dropdown_option_destination_tag": "宛先タグを追加",
-  "unique_identifier_dropdown_option_note": "メモを追加",
+  "memo_destination_tag_title": "Destination Tag",
+  "memo_memo_title": "Memo",
+  "memo_note_title": "Note",
+  "memo_op_return_title": "OP_RETURN",
+  "memo_destination_tag_label": "destination tag",
+  "memo_memo_label": "memo",
+  "memo_note_label": "note",
+  "memo_op_return_label": "OP_RETURN",
+  "memo_dropdown_option_s": "Add %s",
+  "memo_error_text_too_long_s": "Cannot be longer than %i characters",
+  "memo_error_number": "Not a valid number",
+  "memo_error_number_value_s": "Cannot be greater than %s",
+  "memo_error_hex": "Not valid hexadecimal",
+  "memo_error_hext_too_long_s": "Cannot be longer than %i bytes",
+  "memo_error_hext_too_short_s": "Cannot be shorter than %i bytes",
   "unique_identifier_modal_description": "この取引の受信者に送信される%s値を入力してください。",
   "unique_identifier_modal_confirm": "確認",
   "cannot_delete_last_wallet_modal_title": "ウォレットをアーカイブできません",