Merge pull request #153 from JoaquimLey/patch-1

Typo on comment

Author: nicolasgarnier

quickstarts/email-users/functions/index.js

@@ -70,7 +70,7 @@ function sendWelcomeEmail(email, displayName) {
  to: email
  };
 
- // The user unsubscribed to the newsletter.
+ // The user subscribed to the newsletter.
  mailOptions.subject = `Welcome to ${APP_NAME}!`;
  mailOptions.text = `Hey ${displayName}!, Welcome to ${APP_NAME}. I hope you will enjoy our service.`;
  return mailTransport.sendMail(mailOptions).then(() => {