From d6c7d243590b2e78f035c94c0d2a1fa8a977349d Mon Sep 17 00:00:00 2001
From: hangpersonal <hangcui1201@gmail.com>
Date: Sun, 30 Aug 2026 18:49:39 -0700
Subject: [PATCH] Update README.md

---
 README.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 37da506..5b8e2d3 100644
--- a/README.md
+++ b/README.md
@@ -65,10 +65,12 @@ workspace/
 Run these commands from the workspace root:
 
 ```powershell
+$board = "stm32f4_disco"
+
 west build -p always `
   -s apps\kconfig_hello `
   -d build\kconfig_hello `
-  -b stm32f4_disco
+  -b $board
 
 west flash -d build\kconfig_hello
 ```