documentation

Pull request #2332: Feature/ZBX-25824 7.3 D

Merge in WEB/documentation from feature/ZBX-25824-7.3-D to release/7.4

* commit '6fbb83af5d369e3d68439a56cc3094672ed2062b':
  ZBX-25824 corrected a note.
  ZBX-25824 added links.
  ZBX-25824 added a note.