diff --git a/libdfu/dfu-firmware.c b/libdfu/dfu-firmware.c
index 051f7a0bd..c7d74ec1e 100644
--- a/libdfu/dfu-firmware.c
+++ b/libdfu/dfu-firmware.c
@@ -863,6 +863,7 @@ dfu_firmware_get_cipher_kind (DfuFirmware *firmware)
 /**
  * dfu_firmware_set_cipher_kind:
  * @firmware: a #DfuFirmware
+ * @cipher_kind: a #DfuCipherKind, e.g. %DFU_CIPHER_KIND_XTEA
  *
  * Sets the kind of cipher used by the firmware file.
  *
diff --git a/plugins/ebitdo/fu-ebitdo-device.c b/plugins/ebitdo/fu-ebitdo-device.c
index 19a4d7bdf..a65014085 100644
--- a/plugins/ebitdo/fu-ebitdo-device.c
+++ b/plugins/ebitdo/fu-ebitdo-device.c
@@ -663,7 +663,7 @@ fu_ebitdo_device_new (GUsbDevice *usb_device)
 		{ 0x1002, 0x9000, FU_EBITDO_DEVICE_KIND_FC30PRO },
 		{ 0x2002, 0x9000, FU_EBITDO_DEVICE_KIND_NES30PRO },
 		{ 0x8000, 0x1002, FU_EBITDO_DEVICE_KIND_FC30_ARCADE },
-		{ 0x0000, 0x0000, FU_EBITDO_DEVICE_KIND_UNKNOWN, NULL }
+		{ 0x0000, 0x0000, FU_EBITDO_DEVICE_KIND_UNKNOWN }
 	};
 
 	device = g_object_new (FU_EBITDO_TYPE_DEVICE, NULL);