diff --git a/_pages/ja_JP/home.txt b/_pages/ja_JP/home.txt
index b8a1685d9c..809bb67feb 100644
--- a/_pages/ja_JP/home.txt
+++ b/_pages/ja_JP/home.txt
@@ -82,7 +82,7 @@ For a list of each of the calculated sighax signatures, see [this gist](https://
 すべてが計画通りに進めば、データは全く失われず、導入前にあなたが使用していたすべてのもの (ゲーム、NNID、セーブデータなど) が保持されます。
 + Keep your device plugged in and charged throughout the entire process to avoid data loss or damage from an unexpected power-off!
 + Your SD card should be [MBR, not GPT](http://www.howtogeek.com/245610/) (the SD card that comes with your device will be MBR by default).
-+ If you need to format a brand new SD card, you can use [guiformat](http://www.ridgecrop.demon.co.uk/index.htm?guiformat.htm) and set to an Allocation Unit Size of 32K.
++ If you need to format a brand new SD card, you can use [guiformat](http://www.ridgecrop.demon.co.uk/index.htm?guiformat.htm) and set to an Allocation Unit Size of 32K (32768).
 + 2DSはソフトウェア面ではOld 3DSと本質的に同じであり、"Old 3DS"で行うステップは2DSにも適用されます。
 
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