Update app.py

app.py

@@ -109,7 +109,8 @@ description = """<strong>Overview:</strong> Reasoning application that demonstra
 gr.close_all()
 demo = gr.Interface(fn=invoke, 
                     inputs = [gr.Textbox(label = "OpenAI API Key", value = "sk-", lines = 1), 
-                              gr.Radio([True, False], label="Retrieval Augmented Generation", value = False), 
+                              gr.Radio([True, False], label="Retrieval Augmented Generation (RAG)", value = False),
+                              gr.Radio(["Chroma", "MongoDB"], label="RAG Database", value = "Chroma"),
                               gr.Textbox(label = "Prompt", value = "What is GPT-4?", lines = 1)],
                     outputs = [gr.Textbox(label = "Completion", lines = 1)],
                     title = "Generative AI - LLM & RAG",