Update app.py

app.py

@@ -61,7 +61,7 @@ Helpful Answer (based on the documents, 100 words max):"""
 QA_CHAIN_PROMPT = PromptTemplate.from_template(template)
 
 # Improved retriever settings
-retriever = vectordb.as_retriever(search_type="mmr", search_kwargs={"k": 5})  # Maximal Marginal Relevance for better diversity
+retriever = vectordb.as_retriever(search_type="mmr", search_kwargs={"k": 1})  # Maximal Marginal Relevance for better diversity
 
 # Build the QA chain with improved relevance
 qa_chain = RetrievalQA.from_chain_type(