From 0c498d9715fc9da9017d03b6e8212ef79593e034 Mon Sep 17 00:00:00 2001
From: Selene ToyKeeper
Date: Mon, 11 Dec 2023 17:37:36 -0700
Subject: clarified which-hex-file.md a bit; make sure the model number matches

---
 docs/which-hex-file.md | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/docs/which-hex-file.md b/docs/which-hex-file.md
index 3847217..9dcc644 100644
--- a/docs/which-hex-file.md
+++ b/docs/which-hex-file.md
@@ -1,7 +1,10 @@
 # How to figure out which .hex file to use
 
-The name of a product is **not** enough information to find the right .hex
-file.  Ask the light what firmware it needs!
+Using the wrong firmware will make the light stop working, so when flashing
+firmware, **be sure the model number matches**!
+
+The name of a product is *not* enough information to find the right .hex
+file.  Ask the light what firmware it needs:
 
 1. Use the Version Check function (15 or more clicks from Off) to find out
    which flavor of the firmware the light has installed.  
@@ -16,6 +19,6 @@ file.  Ask the light what firmware it needs!
 The Version Check format has changed a few times.  Use
 [this section of the manual](anduril-manual.md#Version_Check_Formats)
 to learn about those formats and how to use them.  In most cases, it should
-have a model number and a date... and you need the model number to find the
-correct .hex file.
+have a model number and a date... and **you need the model number** to find
+the correct .hex file.
 
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