diff --git a/README.md b/README.md
index 3fe0bdc..e9a5b5b 100644
--- a/README.md
+++ b/README.md
@@ -161,7 +161,7 @@ $ sudo cat /proc/device-tree/model
 ```
 This should return `MangoPi MQ Pro`
 
-### Update 
+### First Update
 ```console
 $ apt update
 ```
@@ -240,6 +240,9 @@ Providing a full GPIO how-to is beyond the scope of this document, I use GPIOd t
 
 There are many tutorials on doing this online that give a better explanation than I can here
 
+For some basic GPIO use look at the following:
+https://worldbeyondlinux.be/posts/gpio-on-the-mango-pi/
+
 ## Allwinner D1 GPIO pins
 The **D1** SOC runs at 3v3, and you must not exceed this on any of the GPIO pins. The drive current is also very limited, a maximum of 4mA on any individual pin, and 6mA total across a bank of pins (eg the 12 pins in the `*PB*` bank combined cannot draw more than 6mA!).