diff --git a/_posts/2021-12-04-tips-touch-panel.md b/_posts/2021-12-04-tips-touch-panel.md
index 655bf2e..2460b2c 100644
--- a/_posts/2021-12-04-tips-touch-panel.md
+++ b/_posts/2021-12-04-tips-touch-panel.md
@@ -75,7 +75,7 @@ xinput_calibrator
 `/etc/X11/xorg.conf.d`を作成します。
 
 ```sh
-mkdir /etx/X11/xorg.conf/d
+mkdir /etx/X11/xorg.conf.d
 ```
 
 xinput_calibratorの出力に従って、`/etc/X11/xorg.conf.d/99-calibration.conf`に