diff --git a/client/src/locale/player.ja-JP.json b/client/src/locale/player.ja-JP.json
index 216480c6a..e6e6a1185 100644
--- a/client/src/locale/player.ja-JP.json
+++ b/client/src/locale/player.ja-JP.json
@@ -11,7 +11,7 @@
     "Copy the video URL": "動画のURLをコピー",
     "Copy the video URL at the current time": "現在の再生時間を含めた動画URLをコピー",
     "Copy embed code": "埋め込み動画向けのコードをコピー",
-    "Copy magnet URI": "マグネットURIをコピー",
+    "Copy magnet URI": "magnet URIをコピー",
     "Total downloaded: ": "合計ダウンロード: ",
     "Total uploaded: ": "合計アップロード: ",
     "From servers: ": "サーバーから: ",
@@ -126,9 +126,9 @@
     "Dropshadow": "ドロップシャドウ",
     "Font Family": "フォントファミリー",
     "Proportional Sans-Serif": "Sans-Serif 可変幅フォント",
-    "Monospace Sans-Serif": "Sans-Serif 等幅フォント",
+    "Monospace Sans-Serif": "Sans-Serif Monospaceフォント",
     "Proportional Serif": "Serif 可変幅フォント",
-    "Monospace Serif": "Serif 等幅フォント",
+    "Monospace Serif": "Serif Monospace フォント",
     "Casual": "カジュアル",
     "Script": "スクリプト",
     "Small Caps": "小文字",