diff --git a/libfwupd/fwupd-device.c b/libfwupd/fwupd-device.c
index cc3224fc9..2dcca1b3a 100644
--- a/libfwupd/fwupd-device.c
+++ b/libfwupd/fwupd-device.c
@@ -363,7 +363,7 @@ fwupd_device_set_parent (FwupdDevice *device, FwupdDevice *parent)
 
 /**
  * fwupd_device_add_child:
- * @self: A #FwupdDevice
+ * @device: A #FwupdDevice
  * @child: Another #FwupdDevice
  *
  * Adds a child device. An child device is logically linked to the primary