link guide in README

README.md

@@ -2,6 +2,8 @@ glitter positioning system
 ==========================
 
 A CircuitPython project to push GPS coordinates over LoRa and display rough
-directional info for members of a group using a NeoPixel ring.
+directional info for members of a group using a NeoPixel ring.  Originally
+built for Burning Man 2018.
 
-Adafruit Learning System guide coming shortly!
+Please see [the Adafruit Learning System guide](https://learn.adafruit.com/glitter-positioning-system/overview)
+for a detailed description and build instructions.