diff --git a/README.md b/README.md
index 1d7f116..c338215 100644
--- a/README.md
+++ b/README.md
@@ -4,3 +4,10 @@ Kitronix board modified slightly to log to a simple
 file
 
 Use the main.py to log
+
+
+
+This uses a submodule on git hub for the 
+Python used to access the devices etc
+This is a submodule
+https://github.com/KitronikLtd/Kitronik-Pico-Smart-Air-Quality-Board-MicroPython