Fix the Markdown issue

app.py

@@ -43,7 +43,7 @@ def respond(
 For information on how to customize the ChatInterface, peruse the gradio docs: https://www.gradio.app/docs/chatinterface
 """
 with gr.Blocks() as demo:
-    gr.Markdown("Used two ChatBots for testing and comparison of correct answers.":+1:)
+    gr.Markdown("Used two ChatBots for testing and comparison of correct answers :+1: ")
     with gr.Row() as row:
         with gr.Column():
             chat_1 = gr.ChatInterface(