yes that should be correct. Usually /var/www/pihole is a symlinc to /var/www/html/pihole
root@DietPi4:~# ls -la /var/www/ |grep pihole
lrwxrwxrwx 1 root root 11 Jan 18 2020 pihole -> html/pihole
root@DietPi4:~#
yes that should be correct. Usually /var/www/pihole is a symlinc to /var/www/html/pihole
root@DietPi4:~# ls -la /var/www/ |grep pihole
lrwxrwxrwx 1 root root 11 Jan 18 2020 pihole -> html/pihole
root@DietPi4:~#