diff --git a/README.md b/README.md
index b40759b..6d8ba54 100644
--- a/README.md
+++ b/README.md
@@ -119,11 +119,12 @@ Rust embedded, rp2040 HAL
 ## Hardware
 
 [Schematics](eCAD/cmdr_mainboard_42_v1.pdf)
+[patch instruction](/eCAD/rp2040_42_patch_instruction.md)
 
-- 1x rp2040 Zero (please see patch instruction)
+- 1x rp2040 Zero (please see [patch instruction](/eCAD/rp2040_42_patch_instruction.md))
 - 36x Cherry MX compatible switches
 - 6x Kailh Choc low profile switches
 - 42x 1N4148 diodes
-- 1x PCB [Gerber files](eCAD/cmdr_mainboard_42_gerber_v1.zip) (please see patch instructions)
+- 1x PCB [Gerber files](eCAD/cmdr_mainboard_42_gerber_v1.zip) (please see [patch instructions](/eCAD/rp2040_42_patch_instruction.md))
 - 1x MCU cover (optional) [STL file](mCAD/cmdr_keyboard-Cover.stl)
 - 1x 6x3 Cherry MX mounting jig (optional) [STL file](mCAD/cmdr_mounting_jig-MountingJig.stl)