Alias IP Range Documentation

[a7hybnj2]

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• I have read the contributing guide lines at https://github.com/opnsense/docs/blob/master/CONTRIBUTING.md
• I have searched the existing issues and I am convinced that mine is new.

Describe the issue

I have used pf for years and with my new hardware I am switching to OPN. I was/am setting up some firewall aliases and found there there is no documentation on IP ranges mentioned in the documentation. https://docs.opnsense.org/manual/aliases.html

When I first added a range the result was listed in the context field as "192.168.1.100, -, 192.168.1.200" which didn't seem correct. That is when I tired to consult the documentation but didn't find anything to address the issue.

I think what had happened is I put spaces between the IP and the "-" but even that should maybe be handled differently.