diff --git a/homeassistant/components/sensor/const.py b/homeassistant/components/sensor/const.py
index 239cb36cf6e..190b153ca7a 100644
--- a/homeassistant/components/sensor/const.py
+++ b/homeassistant/components/sensor/const.py
@@ -263,7 +263,7 @@ class SensorDeviceClass(StrEnum):
     """
 
     PRECIPITATION = "precipitation"
-    """Precipitation.
+    """Accumulated precipitation.
 
     Unit of measurement: UnitOfPrecipitationDepth
     - SI / metric: `cm`, `mm`