diff --git a/USB-config-%26-command-protocol.md b/USB-config-%26-command-protocol.md
index 145fed4..f46dc47 100644
--- a/USB-config-%26-command-protocol.md
+++ b/USB-config-%26-command-protocol.md
@@ -1,5 +1,5 @@
 # Wire protocol
-The device has a "configuration and command" USB *vendor* interface, typically at interface number 0 (depending on the mode), and endpoint number 1.
+The device has a "configuration and command" USB *vendor* interface, it has subclass number 42, and protocol number 69. The VID/PID pair is currently cafe:1312. as you may have noticed, these magic identification numbers are still temporary.
 
 The host sends a message and the device sends a reply. The device never initiates a transfer.