From 386b06c0caf199cde80680d757326c3b64708187 Mon Sep 17 00:00:00 2001
From: sys64738 <sys64738@noreply.example.org>
Date: Sun, 4 Jul 2021 22:25:56 +0000
Subject: [PATCH] Update 'USB config & command protocol'

---
 USB-config-%26-command-protocol.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/USB-config-%26-command-protocol.md b/USB-config-%26-command-protocol.md
index 4625bee..bfe1241 100644
--- a/USB-config-%26-command-protocol.md
+++ b/USB-config-%26-command-protocol.md
@@ -1,4 +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 host sends a message and the device sends a reply. The device never initiates a transfer.