diff --git a/doc/Daughterboard_schematic/README.md b/doc/Daughterboard_schematic/README.md
index ca1e925..d114be8 100644
--- a/doc/Daughterboard_schematic/README.md
+++ b/doc/Daughterboard_schematic/README.md
@@ -25,21 +25,24 @@ Mechanical design
 coordinate (0,0) is located at the PCB corner near the power supply connector.
 the X axis is along the longest side.
 
-hole_x1  =  3.50 ;		// hole center x offset from PCB edge (uSD side)
-LedBtn_y = device_y - hole_y - 2.5 * 2.54 + tolerance ; // Y axis center position of LEDs and button(s)
-R_Led_x  = hole_x1 + 29 + 2.54 + tolerance ;	// X axis center position of red LED
-Y_Led_x  = R_Led_x - 3 * 2.54 ;				    // X axis center position of yellow LED
-G_Led_x  = R_Led_x - 6 * 2.54 ;				    // X axis center position of green LED
-Btn_x	 = R_Led_x + 4.5 * 2.54 ; 			    // X axis center position of button
+
+* hole_x1  =  3.50 ;		// hole center x offset from PCB edge (uSD side)
+* LedBtn_y = device_y - hole_y - 2.5 * 2.54 + tolerance ; // Y axis center position of LEDs and button(s)
+* R_Led_x  = hole_x1 + 29 + 2.54 + tolerance ;	// X axis center position of red LED
+* Y_Led_x  = R_Led_x - 3 * 2.54 ;				    // X axis center position of yellow LED
+* G_Led_x  = R_Led_x - 6 * 2.54 ;				    // X axis center position of green LED
+* Btn_x	 = R_Led_x + 4.5 * 2.54 ; 			    // X axis center position of button
+
 
 The LEDs and the push-button are positioned on the 2.54 mm (0.1 inch) grid
+
 Relative to he GPIO connector pin 1
-along the X axis : -2 * 2.54 mm
-along the Y axis (in multiples of 2.54 mm)
-Green LED center : 4.5
-Yellow LED center : 7.5
-Red LED center : 10.5
-Push-button center : 15.0
+* along the X axis : -2 * 2.54 mm
+* along the Y axis (in multiples of 2.54 mm)
+* Green LED center : 4.5
+* Yellow LED center : 7.5
+* Red LED center : 10.5
+* Push-button center : 15.0
 
 The LEDs have a 3 mm diameter
 The top of the LEDs are 11 mm above the PCB