Update chain_setup.py

chain_setup.py

@@ -43,7 +43,7 @@ def build_conversational_chain(vectorstore):
 
     qa_chain = ConversationalRetrievalChain.from_llm(
         llm=llm,
-        retriever=vectorstore.as_retriever(search_type="similarity", search_kwargs={"k": 3}),
+        retriever=vectorstore.as_retriever(search_type="similarity", search_kwargs={"k": 5}),
         memory=memory,
         verbose=True
     )