diff --git a/backend/epson2.conf.in b/backend/epson2.conf.in
index a99648785..797df2d5f 100644
--- a/backend/epson2.conf.in
+++ b/backend/epson2.conf.in
@@ -16,7 +16,7 @@ scsi EPSON
 usb
 
 # For libusb support for unknown scanners use the following command
-# usb <product ID> <device ID>
+# usb <vendor ID> <product ID>
 # e.g.:
 # usb 0x4b8 0x110