Update main.py

main.py

@@ -10,6 +10,9 @@ import spaces  # for GPU
 import threading
 import time
 
+# Constants
+GREETING = "Hi there! I'm an AI agent that answers your questions using a [retrieval-augmented generation]() pipeline that searches over publications abstracts from the Design Research Collective."
+
 # Load the dataset and convert to pandas
 full_data = datasets.load_dataset("ccm/publications")["train"].to_pandas()
 
@@ -128,7 +131,7 @@ gradio.ChatInterface(
     chatbot = gradio.Chatbot(    
         show_label=False,
         show_copy_button=True,
-        value=[None, "Hi there!"]
+        value=[None, GREETING]
     ),
     retry_btn = None,
     undo_btn = None,