Thanks for reporting.
The README still refers to this file in command-not-found 0.3ubuntu17.04.0 on Ubuntu Zesty, but it is not present in the package. I found it in the source though, but I don't know why it isn't installed alongside /etc/zsh_command_not_found.
Thanks for reporting.
The README still refers to this file in command-not-found 0.3ubuntu17.04.0 on Ubuntu Zesty, but it is not present in the package. I found it in the source though, but I don't know why it isn't installed alongside /etc/zsh_ command_ not_found.