how would I add a a preview text to my broadcasts?

💡Make the most of your Community Member profile 

Share more about yourself! Click on your gravatar> profile > edit profile 

• About You tab:
  • Photo: upload a picture of yourself or your brand
  • About You: let other community members know a little about you as a person, a creator, and anything else you'd like to add
  • Banner: add an image of your creator brand, logo, or an image that inspires your creativity
• Social Media tab:
  • Let other members know where they can find you and your brand across social media platforms. This is a great additional step to connect with other creators in the industry!