ls -l to ls -ld (forgot d)

Hi

Where is the error? thanks

a@alap:~$ chown a:a /media/a/cfc98ce3-f0dd-4e22-bf8d-dafbe0254a11
a@alap:~$ sudo chown a:a /media/a/cfc98ce3-f0dd-4e22-bf8d-dafbe0254a11
[sudo] password for a:
a@alap:~$ cd /media/a/cfc98ce3-f0dd-4e22-bf8d-dafbe0254a11
a@alap:/media/a/cfc98ce3-f0dd-4e22-bf8d-dafbe0254a11$ ls -l
total 16
drwx------ 2 root root 16384 Oct 20 09:27 lost+found
a@alap:/media/a/cfc98ce3-f0dd-4e22-bf8d-dafbe0254a11$

"For example, the following command will change the ownership of a file named file1 to a new owner named linuxize:

$chown linuxize file1"

Thanks, a