diff --git a/mozc-bar/README.md b/mozc-bar/README.md
index 0925d2b..e49f2cf 100644
--- a/mozc-bar/README.md
+++ b/mozc-bar/README.md
@@ -28,7 +28,7 @@ The directory structure is as follows:
 - [Capacitor 0.1uF](https://akizukidenshi.com/catalog/g/gP-10147/) x 16
 - 2 row 3 column right angle 2.54mm pin headers x 16 ([Cut from this](https://akizukidenshi.com/catalog/g/gC-10903/))
 - 2 row 3 column right angle 2.54mm pin header sockets x 16 ([Cut from this](https://akizukidenshi.com/catalog/g/gC-05756/))
-- 20 mm width x 10 mm height extruded aluminium frame 2389.75mm in length (needed length may vary slightly based on 3D printing size variance)
+- 20 mm width x 10 mm height extruded aluminium frame 2313.75mm in length (needed length may vary slightly based on 3D printing size variance)
 - [M3 6mm slim head screw](https://jp.misumi-ec.com/vona2/detail/221000546066) x 16
 - [M3 5mm Spacer](https://akizukidenshi.com/catalog/g/gP-07471/) x 16
 - [M3 nut](https://akizukidenshi.com/catalog/g/gP-07468/) x 16