diff --git a/homeassistant/components/reolink/binary_sensor.py b/homeassistant/components/reolink/binary_sensor.py
index 507f2414373..8c0a9258737 100644
--- a/homeassistant/components/reolink/binary_sensor.py
+++ b/homeassistant/components/reolink/binary_sensor.py
@@ -364,7 +364,7 @@ class ReolinkPushBinarySensorEntity(ReolinkBinarySensorEntity):
 class ReolinkSmartAIBinarySensorEntity(
     ReolinkChannelCoordinatorEntity, BinarySensorEntity
 ):
-    """Binary-sensor class for Reolink IP camera smart AI sensors."""
+    """Binary-sensor class for Reolink IP camera Smart AI sensors."""
 
     entity_description: ReolinkSmartAIBinarySensorEntityDescription