diff --git a/source/_integrations/homekit.markdown b/source/_integrations/homekit.markdown
index 60db1f97b50..8439665aabd 100644
--- a/source/_integrations/homekit.markdown
+++ b/source/_integrations/homekit.markdown
@@ -156,6 +156,10 @@ homekit:
                 description: The `entity_id` of a `binary_sensor` entity to use as the motion sensor of the camera accessory to enable motion notifications. HomeKit will cache an accessory's feature set on the first run so a device must be [reset](#resetting-accessories) for any change to take effect.
                 required: false
                 type: string
+              linked_obstruction_sensor:
+                description: The `entity_id` of a `binary_sensor` entity to use as the obstruction sensor of the garage door (cover) accessory to enable obstruction state tracking. HomeKit will cache an accessory's feature set on the first run so a device must be [reset](#resetting-accessories) for any change to take effect.
+                required: false
+                type: string                
               low_battery_threshold:
                 description: Minimum battery level before the accessory starts reporting a low battery.
                 required: false