diff --git a/Create-DevTerm-CM3-OS-image-from-scratch.md b/Create-DevTerm-CM3-OS-image-from-scratch.md
index 2ca246f..2bc0043 100644
--- a/Create-DevTerm-CM3-OS-image-from-scratch.md
+++ b/Create-DevTerm-CM3-OS-image-from-scratch.md
@@ -65,8 +65,8 @@ The following files changed
 * /home/pi/.config/pcmanfm/LXDE-pi/desktop-items-0.conf 
 
 Delete wallpaper address temple.jpg,change the desktop_bg color to #202020   
-change /etc/hostname to clockworkpi
-in /boot/cmdline.txt ,add `fbcon=rotate:1`, remove `quiet` 
+change `/etc/hostname` to clockworkpi
+in `/boot/cmdline.txt` ,add `fbcon=rotate:1`, remove `quiet` 
 
 ### Now quit the chroot env
 ```