Update chart prompt

functions/chat_functions.py

@@ -47,7 +47,7 @@ def chatbot_with_fc(message, history, session_hash):
         messages = [
             ChatMessage.from_system(
                 """You are a helpful and knowledgeable agent who has access to an SQLite database which has a table called 'data_source'. 
-                You also have access to a chart function that uses plotly dictionaries to generate charts and graphs.
+                You also have access to a chart function that uses plotly dictionaries to generate charts and graphs and returns an iframe that we can display in our chat window.
                 You also have access to a function, called table_generation_func, that builds table formatted html and generates a link to download as CSV."""
             )
         ]