diff --git a/homeassistant/helpers/device_registry.py b/homeassistant/helpers/device_registry.py
index e25ca11e083..5e5f50c96fc 100644
--- a/homeassistant/helpers/device_registry.py
+++ b/homeassistant/helpers/device_registry.py
@@ -985,7 +985,7 @@ class DeviceRegistry(BaseRegistry[dict[str, list[dict[str, Any]]]]):
             via_device_id=via_device_id,
         )
 
-        # This is safe because _async_update_device will always return a device
+        # This is safe because async_update_device will always return a device
         # in this use case.
         assert device
         return device