Update app.py

app.py

@@ -68,6 +68,7 @@ Make sure things are not overlapping unless explicitly stated otherwise.
 It is crucial that the script works correctly on the first try, so make sure to think about the layout and storyboard and stuff of the scene.
 Make sure to think through what you are going to do and think about the topic before you write the code.
 In addition, write a commentary script inside of ```script``` codeblock. This should be short and fit the content and align with the timing of the scene. Use "..." if needed to add a bit of a pause.
+Don't describe music or sound effects in your script, only what the text to speech model will say.
 You got this!! <3
 """
                 )