updata

app.py

@@ -244,7 +244,7 @@ with demo:
                     # qa_llm_radio = gr.Radio(["p3-8x", "g4dn-8x"],value="p3-8x",label="Chinese llm instance")
                     qa_prompt_textbox = gr.Textbox(label="Prompt( must include {context} and {question} )",placeholder=chinese_prompt,lines=2)
                     qa_search_engine_radio = gr.Radio(["OpenSearch","Kendra"],value="OpenSearch",label="Search engine")
-                    qa_index_textbox = gr.Textbox(label="OpenSearch index Or Kendra index id")
+                    qa_index_textbox = gr.Textbox(label="OpenSearch index OR Kendra index id")
                     qa_top_k_slider = gr.Slider(label="Top_k of source text to LLM",value=1, minimum=1, maximum=4, step=1)
                     
                     temperature_slider = gr.Slider(label="temperature for LLM",value=0.01, minimum=0.0, maximum=1, step=0.01)