diff --git a/Create-DevTerm-CM4-OS-image-from-scratch.md b/Create-DevTerm-CM4-OS-image-from-scratch.md
index 29c0ac9..462090e 100644
--- a/Create-DevTerm-CM4-OS-image-from-scratch.md
+++ b/Create-DevTerm-CM4-OS-image-from-scratch.md
@@ -107,6 +107,14 @@ to be like
 ```
 for uConsole, replace **480 to 720** in above **monitors.xml**
 
+### console rotation
+/boot/cmdline.txt  
+```
+console=serial0,115200 console=tty1 root=PARTUUID=034aa078-02 rootfstype=ext4 fsck.repair=yes rootwait  init=/usr/lib/raspberrypi-sys-mods/firstboot   fbcon=rotate:1
+
+```
+
+
 ### Now quit the chroot env
 ```bash
 exit