nips_changes on Nostr: Update 18.md #nips_changes ...
Update 18.md #nips_changes
https://github.com/nostr-protocol/nips/commit/d96f6f852a080fd84251af6b6d6fb82313b199a8
https://github.com/nostr-protocol/nips/commit/d96f6f852a080fd84251af6b6d6fb82313b199a8