diff --git a/config/localization/ja/app.json b/config/localization/ja/app.json
index 2e9ea50de..aa3a8ad71 100644
--- a/config/localization/ja/app.json
+++ b/config/localization/ja/app.json
@@ -6,11 +6,11 @@
         "1_MIN_AGO": "1分前",
         "X_MIN_AGO": "{X} 分前",
         "1_HOUR_AGO": "1時間前",
-        "X_HOUR_AGO": "{X} 数時間前",
-        "1_DAY_AGO": "1ヶ月前",
-        "X_DAY_AGO": "{X} 数日前",
+        "X_HOUR_AGO": "{X} 時間前",
+        "1_DAY_AGO": "1日前",
+        "X_DAY_AGO": "{X} 日前",
         "_24H": "24時間",
-        "_30D": "30D",
+        "_30D": "30日",
         "ALL_TIME": "すべての時間",
         "DAILY": "毎日",
         "DAYS_ABBREVIATED": "日",
@@ -24,7 +24,7 @@
         "MINUTES_SHORT": "分",
         "MONTHS_ABBREVIATED": "月",
         "PAST_30D": "過去30日間",
-        "PAST_HOUR": "過去の時間",
+        "PAST_HOUR": "過去１時間",
         "PAST_MONTH": "先月",
         "PAST_THREE_MONTHS": "過去3ヶ月",
         "PAST_WEEK": "先週",
@@ -66,10 +66,10 @@
       "AMOUNT_TO_REMOVE": "削除する金額",
       "ANONYMOUS": "匿名",
       "ARE_UNCHANGED": "変更なし",
-      "ARE_YOU_SURE": "本当ですか？",
+      "ARE_YOU_SURE": "本当によろしいですか？",
       "ASSET_BALANCE": "{ASSET}残高",
       "ASSET": "銘柄",
-      "AVAILABLE": "余力",
+      "AVAILABLE": "利用可能",
       "AVAILABLE_BALANCE": "利用可能な残高",
       "AVAILABLE_IN": "{DURATION}後に利用可能",
       "AVAILABLE_ON_SHORT": "{ON_DATE}に利用可能",