docs: correct typo in example
docs: correct typo in example

the example flow used blackbox_edit (which uses the $EDITOR) but the author meant blackbox_edit_start (since the next step is editing the file in an external editor)
Gnouc/blackbox,unixorn/blackbox,ConnorAtherton/blackbox,serialdoom/blackbox,ekristen/blackbox,sublimino/blackbox,StackExchange/blackbox,mavenlink/blackbox,unixorn/blackbox,StackExchange/blackbox,quarkslab/blackbox,wiredmax/blackbox,jasonchaffee/blackbox