diff --git a/docs/core/entity/number.md b/docs/core/entity/number.md
index 4a0f5f18..1eeb52fc 100644
--- a/docs/core/entity/number.md
+++ b/docs/core/entity/number.md
@@ -73,7 +73,7 @@ If specifying a device class, your number entity will need to also return the co
 | `NumberDeviceClass.SULPHUR_DIOXIDE` | µg/m³ | Concentration of sulphure dioxide |
 | `NumberDeviceClass.TEMPERATURE` | °C, °F, K | Temperature.
 | `NumberDeviceClass.VOLATILE_ORGANIC_COMPOUNDS` | µg/m³ | Concentration of volatile organic compounds
-| `NumberDeviceClass.VOLTAGE` | V, mV, µV | Voltage
+| `NumberDeviceClass.VOLTAGE` | V, mV, µV, kV, MV | Voltage
 | `NumberDeviceClass.VOLUME` | L, mL, gal, fl. oz., m³, ft³, CCF | Generic volume, this device class should be used to represent a consumption, for example the amount of fuel consumed by a vehicle.
 | `NumberDeviceClass.VOLUME_FLOW_RATE` | m³/h, ft³/min, L/min, gal/min, mL/s | Volume flow rate, this device class should be used for sensors representing a flow of some volume, for example the amount of water consumed momentarily.
 | `NumberDeviceClass.VOLUME_STORAGE` | L, mL, gal, fl. oz., m³, ft³, CCF | Generic stored volume, this device class should be used to represent a stored volume, for example the amount of fuel in a fuel tank.
diff --git a/docs/core/entity/sensor.md b/docs/core/entity/sensor.md
index 218d13b7..9bf67857 100644
--- a/docs/core/entity/sensor.md
+++ b/docs/core/entity/sensor.md
@@ -79,7 +79,7 @@ If specifying a device class, your sensor entity will need to also return the co
 | `SensorDeviceClass.TIMESTAMP` | | Timestamp. Requires `native_value` to return a Python `datetime.datetime` object, with time zone information, or `None`.
 | `SensorDeviceClass.VOLATILE_ORGANIC_COMPOUNDS` | µg/m³ | Concentration of volatile organic compounds
 | `SensorDeviceClass.VOLATILE_ORGANIC_COMPOUNDS_PARTS` | ppm, ppb | Ratio of volatile organic compounds
-| `SensorDeviceClass.VOLTAGE` | V, mV, µV | Voltage
+| `SensorDeviceClass.VOLTAGE` | V, mV, µV, kV, MV | Voltage
 | `SensorDeviceClass.VOLUME` | L, mL, gal, fl. oz., m³, ft³, CCF | Generic volume, this device class should be used for sensors representing a consumption, for example the amount of fuel consumed by a vehicle.
 | `SensorDeviceClass.VOLUME_FLOW_RATE` | m³/h, ft³/min, L/min, gal/min, mL/s | Volume flow rate, this device class should be used for sensors representing a flow of some volume, for example the amount of water consumed momentarily.
 | `SensorDeviceClass.VOLUME_STORAGE` | L, mL, gal, fl. oz., m³, ft³, CCF | Generic stored volume, this device class should be used for sensors representing a stored volume, for example the amount of fuel in a fuel tank.