updated info about the minimum number of images

demo/README.MD

@@ -22,11 +22,12 @@ The demo was tested on an Azure VM with the following configuration:
 - Inside the newly created directory `animals` add the sample images that you would like to be displayed in the demo site.
    The directory structure for the sample images should be as follows `animal_name > image.ext` as shown in the example below
    
+   <b>Note: a minimum of 8 valid images (jpg or png) is required for the demo to work</b>
+
 <p><img src="sample_images_dir_structure.jpg" alt="sample images directory structure"/></p>
   
 - Next run the python code `demo/setup_sample_images.py`. This will rename the files/directories to remove invalid characters and also create a csv index file called `demo/static/data/updated_animal_list.csv`. The csv file contains the file paths and corresponding animal names (extracted from the directory names)
 
-    <b>Note: a minimum of 8 valid images (jpg or png) is required for the demo to work</b>