Update app.py

app.py

@@ -109,7 +109,7 @@ if uploaded_file:
 
         # Create a query engine
         llama_index = VectorStoreIndex(nodes)
-        query_engine = llama_index.as_query_engine(similarity_top_k=2)
+        query_engine = llama_index.as_query_engine(similarity_top_k=3)
 
         # Query input for LlamaIndex
         query = st.text_input("Ask a question about your data (LlamaIndex):")