From 05729574cb406779f9f8b4e6e835d035c81bb700 Mon Sep 17 00:00:00 2001
From: Skot <skot@geocene.com>
Date: Wed, 26 Apr 2023 00:01:00 -0400
Subject: [PATCH] Update bm1397_protocol.md

---
 bm1397_protocol.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bm1397_protocol.md b/bm1397_protocol.md
index d9dd566c..bb2750ce 100644
--- a/bm1397_protocol.md
+++ b/bm1397_protocol.md
@@ -34,7 +34,7 @@ How does this big work field break down?
 
 `55 AA` - (most) All of the commands to the BM1397 start with this
 
-`21` - always 21. like bitcoin, always 21 million coins?
+`21` - Header fields -> (TYPE_JOB | GROUP_SINGLE | CMD_WRITE)
 
 `96` - Length