Update app.py

app.py

@@ -133,7 +133,7 @@ with gr.Blocks(theme=gr.themes.Base(primary_hue="purple", secondary_hue="orange"
                     plot_output = gr.Plot(label="Real-Time Visualization")
         with gr.TabItem("📜 The Theory"):
             # Load the explanation from an external markdown file
-            with open("explanation_en.md", "r", encoding="utf-8") as f:
+            with open("explanation.md", "r", encoding="utf-8") as f:
                 gr.Markdown(f.read())
     
     start_btn.click(fn=infinite_simulation_engine, inputs=[camera_angle_slider], outputs=[plot_output])