first message fix

app.py

@@ -69,7 +69,7 @@ with gr.Blocks(theme='snehilsanyal/scikit-learn') as demo:
 
     def get_first_message(history):
         history = [(None,
-                    'Learn about <a href="https://www.coursera.org/learn/3d-printing-revolution/">3D printing Revolution</a> course with referred sources.')]
+                    'Learn about the course and get answers with referred sources.\nWarning! Use the bot wisely. It might give incorrect answers.')]
         return history