update lightweight code

app.py

@@ -132,7 +132,7 @@ interface = gr.Interface(
     Image.txt. This code support image to text transformation. Then the generated text can do retrieval, question answering et al to conduct zero-shot.
     \n Github: https://github.com/showlab/Image2Paragraph
     \n Twitter: https://twitter.com/awinyimgprocess/status/1646225454599372800?s=46&t=HvOe9T2n35iFuCHP5aIHpQ
-    \n For online demo, we use smallest model to speed up. For better result, look for github for details.
+    \n For online demo, we use smallest model to speed up. For better result, look for github for using large models.
     \n Ttext2image model is controlnet, which used canny edge as reference.
     \n To speed up, we generate image with small size 384, run the code local for high-quality sample.
     """