diff --git a/commercial-sewing-servo-motor.md b/commercial-sewing-servo-motor.md
index 25fcd6a46067419f6fa487f4309a8cbff59aa95d..5bd80aced7017b81f1780fce6dd5b3310b6c3515 100644
--- a/commercial-sewing-servo-motor.md
+++ b/commercial-sewing-servo-motor.md
@@ -3,11 +3,11 @@
 ## Motor and Driver Design
 
 * 3-phase BLBC
-  voltage: 220V
-  power: 400W, 550W 3/4hp, 750W 1hp
-  current: ~ 4A
-  torque: ~ 1Nm soit 3kg pour une bielle de 30mm (1, 1.5, 2.5Nm)
-  speed: 5500rpm
+  - voltage: 220V
+  - power: 400W, 550W 3/4hp, 750W 1hp
+  - current: ~ 4A
+  - torque: ~ 1Nm soit 3kg pour une bielle de 30mm (1, 1.5, 2.5Nm)
+  - speed: 5500rpm
 * diode bridge -> 560u -> 3x half-bridge IGBT with 15V gate driver
 
 ## Needle Position Sensor Design
@@ -17,12 +17,13 @@
 * 2 cam discs for up and down position with optical fork
 * sensor frame is mounted on the machine or the table
 * sensor shaft is mounted on the threaded hole of the machine wheel
-  can require an adaptor
+  - can require an adaptor
 
 ## Docs
 
 * https://www.duerkopp-adler.com/commons/download/public/271/HVP-70-4-ED-2-CE_EN.pdf
-  https://www.duerkopp-adler.com/commons/download/public/271/HVP_70-4-ED-2-CE_FR.pdf
+* https://www.duerkopp-adler.com/commons/download/public/271/HVP_70-4-ED-2-CE_FR.pdf
+
   solenoid supply voltage 24 V or 30 V DC
 
 * https://globalsew.fr/wp-content/uploads/2017/01/SV-550-Manual.pdf
@@ -34,8 +35,8 @@
 * http://www.motor-chinese.com/product/Series-550-Sewing-machine-motor-Servo-motor-Induction-motor.html
 
 Sewing Machine Servo Motor Circuit Board Repairing Tutorial **avec video du pcb**
-* # 1 https://www.youtube.com/watch?v=VLQBiXaB66M
-* # 2 https://www.youtube.com/watch?v=XgmmhWFAbbY
+* https://www.youtube.com/watch?v=VLQBiXaB66M
+* https://www.youtube.com/watch?v=XgmmhWFAbbY
 
 ## POWERMAX AHU27-55 (Moteur éléctronique pour machine à coudre industrielle)