diff --git a/eCAD/rp2040_42_patch_instruction.md b/eCAD/rp2040_42_patch_instruction.md
index 7cabf32..1334d04 100644
--- a/eCAD/rp2040_42_patch_instruction.md
+++ b/eCAD/rp2040_42_patch_instruction.md
@@ -2,12 +2,12 @@
 
 ![image](rp2040_42_patch.png)
 
-1 Solder one x6 and one x7 pin headers on the green marking.
-2 Prepare wire and solder on GND pad on the PCB.
-3 Prepare wires and solder on gpio 0 and 1 on the PCB.
-4 Solder rp2040-zero on the two pin headers.
-5 Solder GND, gpio 0 and gpio 1 on the rp2040-zero.
-6 Solder wires according to picture above between rp2040-zero and PCB.
+1. Solder one x6 and one x7 pin headers on the green marking.
+2. Prepare wire and solder on GND pad on the PCB.
+3. Prepare wires and solder on gpio 0 and 1 on the PCB.
+4. Solder rp2040-zero on the two pin headers.
+5. Solder GND, gpio 0 and gpio 1 on the rp2040-zero.
+6. Solder wires according to picture above between rp2040-zero and PCB.
 
 ![image](rp2040_42_patch_result.jpg)