diff --git a/source/_integrations/number.markdown b/source/_integrations/number.markdown
index 84ffa781153..8339420cda1 100644
--- a/source/_integrations/number.markdown
+++ b/source/_integrations/number.markdown
@@ -65,7 +65,7 @@ The following device classes are supported for numbers:
 - **reactive_power**: Reactive power in var
 - **signal_strength**: Signal strength in dB or dBm
 - **sound_pressure**: Sound pressure in dB or dBA
-- **speed**: Generic speed in ft/s, in/d, in/h, km/h, kn, m/s, mph, or mm/d
+- **speed**: Generic speed in ft/s, in/d, in/h, in/s, km/h, kn, m/s, mph, mm/d, or mm/s
 - **sulphur_dioxide**: Concentration of sulphur dioxide in µg/m³
 - **temperature**: Temperature in °C, °F or K
 - **volatile_organic_compounds**: Concentration of volatile organic compounds in µg/m³
diff --git a/source/_integrations/sensor.markdown b/source/_integrations/sensor.markdown
index ee3f98d9f5f..14f55395fd6 100644
--- a/source/_integrations/sensor.markdown
+++ b/source/_integrations/sensor.markdown
@@ -72,7 +72,7 @@ The following device classes are supported for sensors:
 - **reactive_power**: Reactive power in var
 - **signal_strength**: Signal strength in dB or dBm
 - **sound_pressure**: Sound pressure in dB or dBA
-- **speed**: Generic speed in ft/s, in/d, in/h, km/h, kn, m/s, mph or mm/d
+- **speed**: Generic speed in ft/s, in/d, in/h, in/s, km/h, kn, m/s, mph, mm/d, or mm/s
 - **sulphur_dioxide**: Concentration of sulphur dioxide in µg/m³
 - **temperature**: Temperature in °C, °F or K
 - **timestamp**: Datetime object or timestamp string (ISO 8601)