Update app.py

app.py

@@ -7,7 +7,7 @@ openai.api_key = os.environ['OPENAI_KEY']
 
 def generateStory(theme1, theme2):
    
-    prompt_text = "Write a children's story about \"{}\" and \"{}\".".format(theme1,theme2)
+    prompt_text = "Write a short children's story of less than 500 words, which will be read by a parent to their 4-year-old. Make the language witty and funny, and make the story have an interesting twist. The story has to creatively include the following themes: \"{}\" and \"{}\".".format(theme1,theme2)
     response = openai.Completion.create(
       engine="text-davinci-003",
       prompt=prompt_text,