minor fix

README.md

@@ -18,7 +18,7 @@ streamlit run src/app.py
 
 If you want to work with you own images just replace the last line with:
 ```
-streamlit run src/app.py -- --images_folder PATH_TO_YOUR_IMAGE_FOLDER
+streamlit run src/app.py -- --image_folder PATH_TO_YOUR_IMAGE_FOLDER
 ```
 
 In your terminal you will see the link to the running local service similar to : 

src/utils.py

@@ -9,9 +9,9 @@ import streamlit as st
 @st.cache
 def get_path_to_the_image():
     parser = argparse.ArgumentParser()
-    parser.add_argument("--images_folder", default="images")
+    parser.add_argument("--image_folder", default="images")
     args = parser.parse_args()
-    return getattr(args, "images_folder")
+    return getattr(args, "image_folder")
 
 
 @st.cache