diff --git a/README.md b/README.md
index fcbb247..7a52970 100644
--- a/README.md
+++ b/README.md
@@ -21,19 +21,21 @@ Pins on the MP-101 cable.
 Starting at "7PM", just after the key, going clockwise:
 
 ```
-Use	Color	Pin	ArduinoPin
----	-----	---	--------
-Speed	Yellow	1	? PWM
-Left	White	2	D0
-Down	Brown	3	D1
-5V	Green	4	5V, second from left.
-Up	Blue	5	D2
-Right	Black	6	D3
-GND	Red	7	GND under ICSP
+Use	Color	Pin	ArduinoPin		Raspberry Pi 4 B Pin
+---	-----	---	--------		--------------------
+Speed	Yellow	1	? PWM			12 GPIO18
+Left	White	2	D0			 3 GPIO2 (Orange)
+Down	Brown	3	D1			 5 GPIO3
+5V	Green	4	5V, second from left.	 2 5V
+Up	Blue	5	D2			 8 GPIO14
+Right	Black	6	D3			10 GPIO15
+GND	Red	7	GND under ICSP		 7 GND
 ```
 
 The "ArduinoPin" column is how the Arduino pins on the Panda are labelled.
 
+On the Raspberry Pi 4, with Raspbian installed running `pinout` will
+majickally print the pinouts.
 
 # Wire Harness
 I made a quick and dirty wire harness that works.