[How to do instruction] moOde and Pi-Hole on Nginx

[pyhfsg]

Drone7, TookaFace,

Thanks for your reply. I did the "sudo apt-get update" but got the same error. Looks like the update of the repository was not applied per the error message below:

E: Repository 'http://raspbian.raspberrypi.org/raspbian buster InRelease' changed its 'Suite' value from 'stable' to 'oldstable'
N: This must be accepted explicitly before updates for this repository can be applied. See apt-secure(8) manpage for details.

Any idea how I can resolve this? I goolge a bit but has not found the solution yet.