Update app.py

app.py

@@ -1033,6 +1033,8 @@ If no relevant information is found in the document, the system will say "No rel
 
 *Note: The LLaMA module generates responses based solely on the current query without follow-up memory or chat history management.*
 
+> This is a CPU-only demo running a **quantised 1B LLaMA model**, built to show that full RAG + multi-agent systems can run even without a GPU. In production, the model can be replaced with larger ones (3B, 7B, etc.) and served using vLLM, 4-bit quantisation, or TensorRT for better speed. The design focuses on portability, deployment, and modularity.
+
 Feel free to ask any question related to Biden’s 2023 State of the Union Address.
 """
 demo_description2 = """