Update app.py

app.py

@@ -58,7 +58,7 @@ block = gr.Blocks(css=".gradio-container {background-color: lightgray}")
 
 with block:
     with gr.Row():
-        gr.Markdown("<h3><center>LangChain Demo</center></h3>")
+        gr.Markdown("<h3><center>Hello World App</center></h3>")
 
         openai_api_key_textbox = gr.Textbox(
             placeholder="Paste your OpenAI API key (sk-...)",
@@ -88,10 +88,6 @@ with block:
 
     gr.HTML("Demo application of a LangChain chain.")
 
-    gr.HTML(
-        "<center>Powered by <a href='https://github.com/hwchase17/langchain'>LangChain 🦜️🔗</a></center>"
-    )
-
     state = gr.State()
     agent_state = gr.State()