updated subtitle

app.py

@@ -236,7 +236,7 @@ with gr.Blocks() as demo:
     gr.Markdown("# Feynbot on INSPIRE HEP Search")
     gr.Markdown("""Specialized academic search tool that combines traditional 
                 database searching with AI-powered query expansion and result 
-                synthesis, focused on physics research papers.""")
+                synthesis, focused on High Energy Physics research papers.""")
     with gr.Row():
         with gr.Column():
             query = gr.Textbox(label="Search Query")