diff --git a/Create-DevTerm-A04-OS-image-from-scratch.md b/Create-DevTerm-A04-OS-image-from-scratch.md
index c6fef75..0c1e75d 100644
--- a/Create-DevTerm-A04-OS-image-from-scratch.md
+++ b/Create-DevTerm-A04-OS-image-from-scratch.md
@@ -218,6 +218,7 @@ sudo umount /mnt/p1/proc
 sudo umount /mnt/p1/sys
 ##clear bash 
 sudo rm -rf root/.bash_history
+cd -
 sudo umount /mnt/p1 
 sudo losetup -D /dev/loop11
 ```