update image desc prompt

app.py

@@ -123,13 +123,15 @@ def generate_img_prompt(input_prompt):
         text = f"""
         Translate the given input prompt to English.
         Input Prompt: {input_prompt}
-        Once translated, use the English version of the prompt to create a detailed image description suitable for a text-to-image model.
-        Ensure the description is concise, limited to 2-3 lines, and integrates key elements from the translated prompt.
-        Add the prompt English translation to the image description, and respond with that.
+
+        Then based on the English translation of the prompt, generate a detailed image description which can be used to generate an image using a text-to-image model.
+        Do not use more than 3-4 lines for the image description. Respond with only the image description.
         """
     else:
         text = f"""Generate a detailed image description which can be used to generate an image using a text-to-image model based on the given input prompt:
+
         Input Prompt: {input_prompt}
+
         Do not use more than 3-4 lines for the description.
         """