diff --git a/docs/core/entity/sensor.md b/docs/core/entity/sensor.md
index 67162338..b7198d1a 100644
--- a/docs/core/entity/sensor.md
+++ b/docs/core/entity/sensor.md
@@ -64,6 +64,7 @@ If specifying a device class, your sensor entity will need to also return the co
 | volatile_organic_compounds | µg/m³ | Concentration of volatile organic compounds
 | voltage | V | Voltage
 | volume | L, mL, gal, fl. oz., m³, ft³ | Generic volume
+| water | L, gal, m³, ft³ | Water consumption
 | weight | kg, g, mg, µg, oz, lb | Generic mass; `weight` is used instead of `mass` to fit with every day language.
 
 ### Available state classes