Minor control-spec.txt corrections.

Re: SETCONF:

Tor responds with a "250 configuration values set" reply on success. If some of the listed keywords can't be found, Tor replies with a

According to git blame that hasn't been the case since... 2008? 2007?

      case SETOPT_OK:
        config_free_lines(lines);
        send_control_done(conn);
        return 0;

Sent from the client to the server. The syntax is as for GETCONF: "GETINFO" 1*(SP keyword) CRLF one or more NL-terminated strings. The server replies with an INFOVALUE message, or a 551 or 552 error.

"one or nor NL-terminated strings" is confusing. Did a newline and a word get cutoff somewhere, or am I just being dense?