documentation

Pull request #2159: ZBX-25537 item and proxy macro description for numbered item/proxy macro now correctly refer to the item; improved description clarity.

Merge in WEB/documentation from feature/ZBX-25537-7.0-D to release/7.0

* commit 'ab531d859cecd2b4c83a30523738bf852147ae6c':
  ZBX-25537 improved macros description.
  ZBX-25537 item and proxy macro description for numbered item/proxy macro now correctly refer to the item; improved description clarity.