diff --git a/README.md b/README.md
index d447fdb6f83772b96e3f2ffa8d04ec00d9319630..0510d8d6a0e27e0a4de1e7bd879783443dbd0640 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ toggle button.
 - MQTT topic: ``sensors/phone/brightness``
 - payload: ``{"brightness":67.0}``
 
-### Orientation
+### Orientation AHRS
 
 - Orientation values are in the AHRS (yaw-pitch-roll angles)
 - [Madwick](http://x-io.co.uk/open-source-imu-and-ahrs-algorithms/) algorithm is used
@@ -25,6 +25,13 @@ toggle button.
 - MQTT topic: ``sensors/phone/rotationahrs``
 - payload: ``{"roll":-168.21172,"pitch":22.937801,"heading":28.27002}``
 
+### Orientation Quaternions
+
+- Orientation values are in Quaternions
+
+- MQTT topic: ``sensors/phone/rotation``
+- payload: ``{"z":0.004691912,"x":0.0036029308,"y":-0.015808621}``
+
 ### Light State
 
 - this is a one on/off thing. Message is only send when the toggle button is touched