Added the explaination text for its use

app.py

@@ -27,7 +27,7 @@ def send_email(email):
 # Streamlit UI
 st.title(" Cold Email Sequence Generator")
 
-uploaded_file = st.file_uploader("Upload a JSON file input structured like the 'example.json' in this App's files section", type="json")
+uploaded_file = st.file_uploader("Upload a JSON structured like the 'example.json' in the files section. Once 'Generated Emails' are okay, press 'Start Email Scheduling' button at the bottom to start sending each of the generated emails every 10 seconds", type="json")
 
 if uploaded_file is not None:
     # Parse JSON Input