Update app.py

app.py

@@ -200,7 +200,7 @@ def prompt_type(prompt_user, prompt_input, video_duration):
     
     if prompt_input == "how-to":
         prompt_input = prompt_how_to
-        mul_factor = 1.8
+        mul_factor = 1.6
     elif prompt_input == "documentary":
         prompt_input = prompt_documentary
         mul_factor = 2