Update app.py

app.py

@@ -30,6 +30,7 @@ def get_html(url_list):
 description = '''
 # Persian (fa) image search 
 - Enter your query and hit enter
+- Note: We used a small set of images to keep this app almost real-time, but it's obvious that the quality of image search depends heavily on the size of the image database.
 
 Built with [CLIP-fa](https://github.com/sajjjadayobi/CLIPfa) model and 25k images from [Unsplash](https://unsplash.com/)
 '''