Add documentation pointer to README

Change-Id: Ibc3798c8d764bf59ce5ef00f115605bcfd03412a
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
diff --git a/README.md b/README.md
index 0e5d6f1..ae58cc5 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 Exposes generic hwmon entries as DBus objects.
+More information can be found at [Sensor Architecture](https://github.com/openbmc/docs/blob/master/sensor-architecture.md)
 
 ## To Build
 ```