diff --git a/src/devices/thermostat.h b/src/devices/thermostat.h
index bd5ad579a..75ca7c38c 100644
--- a/src/devices/thermostat.h
+++ b/src/devices/thermostat.h
@@ -50,7 +50,7 @@ class Thermostat : public EMSdevice {
         uint8_t daymidtemp;
         uint8_t nighttemp;
         uint8_t holidaytemp;
-        uint8_t heatingtype; // type of heating: 1 radiator, 2 convectors, 3 floors, 4 room supply
+        uint8_t heatingtype; // type of heating: 1 radiator, 2 convectors, 3 floor, 4 room supply
         uint8_t targetflowtemp;
         uint8_t summertemp;
         int8_t  nofrosttemp; // signed -20°C to +10°C