Update main.py

main.py

@@ -12,10 +12,10 @@ import transformers  # to load an LLM
 
 # Constants
 GREETING = (
-    "Howdy!"
+    "Howdy! "
     "I'm an AI agent that uses [retrieval-augmented generation](https://en.wikipedia.org/wiki/Retrieval-augmented_generation) pipeline to answer questions about research by the [Design Research Collective](https://cmudrc.github.io/). "
-    "And the best part is that I always try to cite my sources!"
-    "I still make some mistakes though." 
+    "And the best part is that I always try to cite my sources! "
+    "I still make some mistakes though. " 
     "What can I tell you about today?"
 )
 EXAMPLE_QUERIES = [