1. You can customize the teaser-text that will notify your contacts. The beginning of the text from your post are picked up by default, but you can change this as you prefer.
2. Click "Email" to change your email teaser-text, and SMS for the SMS teaser-text.
3. In email, you can change both the title and the description.
Click on the text field to edit the text.
4. When you are done with your email teaser-text, click on "SMS" to change the SMS teaser-text.
5. Edit your text and click "Done".
6. When you are done, click "Next" and publish, save or schedule your post.