Update app.py

app.py

@@ -89,7 +89,7 @@ with gr.Blocks(theme=gr.themes.Base(), title="PropagationShield v2.0") as demo:
             question_input = gr.Textbox(
                 label="User Question", 
                 lines=2, 
-                placeholder="e.g., Who developed the theory of relativity?"
+                placeholder="e.g., Who was behind the theory of relativity?"
             )
             
             ground_truth_input = gr.Textbox(
@@ -117,7 +117,7 @@ with gr.Blocks(theme=gr.themes.Base(), title="PropagationShield v2.0") as demo:
     gr.Examples(
         examples=[
             [
-                "Who developed the theory of relativity?",
+                "Who was behind the theory of relativity?",
                 "[0] Albert Einstein developed the theory of relativity in the early 20th century.\n[1] The theory revolutionized physics and our understanding of space and time.\n[2] Isaac Newton originally proposed relativity in the 18th century."
             ],
             [