diff --git a/src/i18n/ja_JP.json b/src/i18n/ja_JP.json
index 9e3c001a..3c437606 100644
--- a/src/i18n/ja_JP.json
+++ b/src/i18n/ja_JP.json
@@ -496,7 +496,7 @@
   "settings.option.visual.theme.viewInfo": "情報を表示",
   "settings.option.visual.theme.github.available": "利用可能",
   "settings.option.visual.theme.github.applied": "適用済み",
-  "settings.notyf.visual.theme.updateAvailable": "[Themes] {{ theme }} has an update available",
+  "settings.notyf.visual.theme.updateAvailable": "[Themes] {{ theme }} の利用可能なアップデートがあります",
   "settings.notyf.visual.theme.install.success": "テーマのインストールが完了しました",
   "settings.notyf.visual.theme.install.error": "テーマのインストールに失敗しました",
   "settings.header.visual.plugin": "プラグイン",
@@ -532,13 +532,13 @@
   "settings.option.connectivity.discordRPC": "Discord Rich Presence",
   "settings.option.connectivity.discordRPC.clientName": "クライアントの名前",
   "settings.option.connectivity.discordRPC.clearOnPause": "一時停止した時にDiscord Rich Presenceを非表示にする",
-  "settings.option.connectivity.discordRPC.showActivityButtons": "Show Activity Buttons",
+  "settings.option.connectivity.discordRPC.showActivityButtons": "Activity Button を表示",
   "settings.option.connectivity.discordRPC.firstButton": "First Activity Button",
   "settings.option.connectivity.discordRPC.secondButton": "Second Activity Button",
   "settings.option.connectivity.discordRPC.buttons.listenOnCider": "Cider で聴く",
   "settings.option.connectivity.discordRPC.buttons.viewOnAppleMusic": "Apple Musicで表示",
   "settings.option.connectivity.discordRPC.buttons.viewOnOtherMusicServices": "他の音楽サービスを見る",
-  "settings.option.connectivity.discordRPC.showSongLink": "Show Song.link button instead of Apple Music button on Discord Rich Presence",
+  "settings.option.connectivity.discordRPC.showSongLink": "Discord Rich Presence で Apple Music ボタンの代わりに Song.link を表示する",
   "settings.option.connectivity.discordRPC.hideTimestamp": "Discord Rich Presenceのタイムスタンプを非表示にする",
   "settings.option.connectivity.discordRPC.detailsFormat": "ディティールのフォーマット",
   "settings.option.connectivity.discordRPC.stateFormat": "状態のフォーマット",