"Lisping" is a lay term that describes the way you mispronounce words. If you have the habit to lisp talking to babies, you should get rid of it as soon as possible. Mispronouncing words misleads your little one, growing up, your baby will also lisp and mispronounce the words. At this age, you should facilitate your kid's understanding of the connection between the name / names and objects / people / actions. So, pay attention to your speech, talking both to kids and adults.
Make photos of your happy family and upload to the App. Add some words about the first conversations with your little one.