Update app.py

Add text from marketing team

app.py

@@ -51,7 +51,14 @@ target_size = (224, 224)
 st.set_page_config(page_title="Product Retrieval App")
 st.title("Product Retrieval App")
 
-uploaded_file = st.file_uploader("Choose an image...", type=["jpg", "jpeg", "png"])
+uploaded_file = st.file_uploader("""The Product Retrieval App is a demonstration of a computer vision model created by Intelliarts. It can analyze and interpret visual data , i.e., shapes, colors, and textures from uploaded digital images. The data is then used to conduct a search on the web. The output of the computer vision model is a set of images that are predicted to be most similar to the input image.
+To use the Product Retrieval App, you need to:
+1. Select an image that depicts the item of interest. Acceptable formats are JPG, JPEG, and PNG.
+2. Upload the image by either dragging and dropping the file into the search field or selecting a file from your computer using the “browse files” button.
+3. Scroll to the bottom of the page to review the output results.
+
+Choose an image...""", type=["jpg", "jpeg", "png"])
+
 loading_text = st.empty()
 
 s3 = boto3.client(