answer prompt fixed

app.py

@@ -133,7 +133,7 @@ def llm_generate_answer(prompt):
               (RAG) and are asked with a query and a context of results. Generate an
               answer substantiated by the results provided and citing them using
               their index when used to provide an answer text. Do not put two or more
-              references together (ex: use [1][2] instead of [1,2]. Do not generate an answer
+              references together (ex: use [1][2] instead of [1, 2] or [1][2][3] instead of [1, 2, 3]). Do not generate an answer
               that cannot be entailed from cited abstract, so all paragraphs should cite a
               search result. End the answer with the query and a brief answer as
               summary of the previous discussed results. Do not consider results