documentation

Pull request #2331: Feature/ZBX-25824 7.2 D

Merge in WEB/documentation from feature/ZBX-25824-7.2-D to release/7.2

* commit '74a0be3ffa6a076d04ef6d45395d8b36db33d7c3':
  ZBX-25824 corrected a note.
  ZBX-25824 added links.
  ZBX-25824 added a note.