diff --git a/source/_integrations/number.markdown b/source/_integrations/number.markdown
index 2bb26928969..8d04222722a 100644
--- a/source/_integrations/number.markdown
+++ b/source/_integrations/number.markdown
@@ -51,7 +51,7 @@ The following device classes are supported for numbers:
 - **data_rate**: Data rate in bit/s, kbit/s, Mbit/s, Gbit/s, B/s, kB/s, MB/s, GB/s, KiB/s, MiB/s or GiB/s
 - **data_size**: Data size in bit, kbit, Mbit, Gbit, B, kB, MB, GB, TB, PB, EB, ZB, YB, KiB, MiB, GiB, TiB, PiB, EiB, ZiB or YiB
 - **distance**: Generic distance in km, m, cm, mm, mi, nmi, yd, or in
-- **duration**: Duration in d, h, min, s, or ms
+- **duration**: Duration in d, h, min, s, ms, or µs
 - **energy**: Energy in J, kJ, MJ, GJ, mWh, Wh, kWh, MWh, GWh, TWh, cal, kcal, Mcal, or Gcal
 - **energy_distance**: Energy per distance in kWh/100km, mi/kWh or km/kWh.
 - **energy_storage**: Stored energy in J, kJ, MJ, GJ, mWh, Wh, kWh, MWh, GWh, TWh, cal, kcal, Mcal, or Gcal
diff --git a/source/_integrations/sensor.markdown b/source/_integrations/sensor.markdown
index 5c94339fbf2..d535faa6d62 100644
--- a/source/_integrations/sensor.markdown
+++ b/source/_integrations/sensor.markdown
@@ -61,7 +61,7 @@ The following device classes are supported for sensors:
 - **data_size**: Data size in bit, kbit, Mbit, Gbit, B, kB, MB, GB, TB, PB, EB, ZB, YB, KiB, MiB, GiB, TiB, PiB, EiB, ZiB or YiB
 - **date**: Date string (ISO 8601)
 - **distance**: Generic distance in km, m, cm, mm, mi, nmi, yd, or in
-- **duration**: Duration in d, h, min, s, or ms
+- **duration**: Duration in d, h, min, s, ms, or µs
 - **energy**: Energy in J, kJ, MJ, GJ, mWh, Wh, kWh, MWh, GWh, TWh, cal, kcal, Mcal, or Gcal
 - **energy_distance**: Energy per distance in kWh/100km, mi/kWh or km/kWh.
 - **energy_storage**: Stored energy in J, kJ, MJ, GJ, mWh, Wh, kWh, MWh, GWh, TWh, cal, kcal, Mcal, or Gcal