Kind 1010 for edits of kind 1 
Forks are just kind 1 with the "fork" marker like you did on wikifreedia :)
GitHub
Editable Short Notes by vitorpamplona · Pull Request #1090 · nostr-protocol/nips
This option does not use replaceable events. All edits are always available to Clients.
Read: here
Recap of the 4 options:
Updates kind1 to accept...
