diff --git a/docs/core/entity/sensor.md b/docs/core/entity/sensor.md
index 50f91925..82aea7c8 100644
--- a/docs/core/entity/sensor.md
+++ b/docs/core/entity/sensor.md
@@ -32,7 +32,7 @@ If specifying a device class, your sensor entity will need to also return the co
 | carbon_monoxide | ppm | Concentration of carbon monoxide.
 | current | A | Current
 | date | | Date, must be formatted according to [ISO8601](https://en.wikipedia.org/wiki/ISO_8601).
-| energy | Wh, kWh | Energy, statistics will be stored in kWh.
+| energy | Wh, kWh, MWh | Energy, statistics will be stored in kWh.
 | gas | m³, ft³ | Volume of gas, statistics will be stored in m³. Gas consumption measured as energy in kWh instead of a volume should be classified as energy.
 | humidity | % | Relative humidity
 | illuminance | lx, lm | Light level