[InterNetNews/inn] 312711: Reword FAQ answer on finding peering

[Russ Allbery]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: 3127116766562f98a110b344957acb0a6a272f0c
      https://github.com/InterNetNews/inn/commit/3127116766562f98a110b344957acb0a6a272f0c
  Author: Russ Allbery <eagle at eyrie.org>
  Date:   2022-07-16 (Sat, 16 Jul 2022)

  Changed paths:
    M doc/FAQ

  Log Message:
  -----------
  Reword FAQ answer on finding peering

The previous answer was a bit more certain about finding peering
than may be warranted.  In the hope of heading off future debate,
make it clear that other sites tend to have peering policies that
one may or may not meet.