diff --git a/avr/devices/n27/README b/avr/devices/n27/README
index f79221c..b878152 100644
--- a/avr/devices/n27/README
+++ b/avr/devices/n27/README
@@ -2,7 +2,7 @@
 N27
 ===
 
-- Role: Air quality and climate sensors
+- Role: Climate sensors
 - MCU: AtTiny84
 - Connection: RJ45
 - Predecessor: N24, N23, N19
@@ -10,6 +10,4 @@ N27
   - PIR sensor (AMN31112)
   - TWI interface
     - SI7021 temperature and humidity sensor
-      or
-    - SGP-30/40 air quality sensor