Update README.md

Author: TheKitty

Smart_Toilet_Light/README.md

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-# Smart Toilet Light
+## Smart Toilet Light Tutorial Code
 
-Smart toilet bowl light using Adafruit IO & a Feather Huzzah ESP8266.  See the guide at: https://learn.adafruit.com/smart-toilet-light/overview
+Smart toilet bowl light using Adafruit IO & a Feather Huzzah ESP8266.  
+
+See the guide at: https://learn.adafruit.com/smart-toilet-light/overview
+
+This code was formerly at https://github.com/adafruit/Smart_Toilet_Light - this has now been archived.
+
+If you are looking to make changes/additions, please use the GitHub Issues and Pull Request mechanisms.
+
+See LICENSE for licensing information.