diff --git a/docs/bom.rst b/docs/bom.rst
index 7623fc9..1328d38 100644
--- a/docs/bom.rst
+++ b/docs/bom.rst
@@ -3,7 +3,7 @@ Bill of material
 
 Laser cut box
 -------------
-...
+3 plywood sheets 5mm thick , 600 mm x 400mm size.