old_contents: var Slackbot = require(__dirname);
  // var Slackbot = require('slackbot')
  
  var slackbot = new Slackbot(process.env.SLACK_TEAM, process.env.SLACK_TOKEN);
  
  var msg = process.argv[2] || "hello!!";
  
  slackbot.send("#general", msg, function(err, res, body) {
    if(err){
      consle.error(err);
      return;
    }
    console.log(body);
  });
  
new_contents: var Slackbot = require(__dirname);
  // var Slackbot = require('slackbot')
  
  var slackbot = new Slackbot(process.env.SLACK_TEAM, process.env.SLACK_TOKEN);
  
  var msg = process.argv[2] || "hello!!";
  
  slackbot.send("#general", msg, function(err, res, body) {
    if(err){
      console.error(err);
      return;
    }
    console.log(body);
  });
  
subject: Fix typo in sample.