diff --git a/7110-dev-board-note.md b/7110-dev-board-note.md
index 6d4e94c..d2529ff 100644
--- a/7110-dev-board-note.md
+++ b/7110-dev-board-note.md
@@ -1,13 +1,16 @@
+# Upgrade bootloader and firmware
+
+for os image 69 and later
+
 https://forum.rvspace.org/t/visionfive-2-debian-image-december-released/1097/43?page=2  
 
-https://github.com/starfive-tech/VisionFive2/releases/  下载最新的 sdcard.img,  dd到sd卡，然后 hdmi或者串口等待 系统启动
+https://github.com/starfive-tech/VisionFive2/releases/  download latest sdcard.img, dd to sd card, then hdmi or serial port wait for the system to start
 
-启动完成之后
-
-刷入最新的固件
+## Flash files
 ```
 flashcp -v u-boot-spl.bin.normal.out /dev/mtd0
 flashcp -v visionfive2_fw_payload.img /dev/mtd1
 ```
 
-7110 完整os 大镜像 地址 https://debian.starfivetech.com/
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+## 7110 full os large mirror address
+https://debian.starfivetech.com/
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