How do I enable LibreNMS Poller Cluster Health 1-minute polling?

Question

I had set up LibreNMS in my Ubuntu 22.04 LTS VM. By default, LibreNMS polling interval is 5-minute, but instead I want to change the polling interval to 1-minute.

I have tried to configure: /etc/cron.d/librenms but does not seem to work. Seek HELP.

Here is the documentation, but I am just a newbie on LibreNMS, so, I really need help.