update msg

app.py

@@ -2297,7 +2297,8 @@ with demo:
                     num_sample_fps_slider = gr.Slider(1, 5000, step=1, label="FPS: num_sample", value=1000, elem_id="num_sample_fps")
                     tsne_perplexity_slider = gr.Slider(1, 1000, step=1, label="t-SNE: perplexity", value=500, elem_id="perplexity_tsne")
                     fps_hc_seed_slider = gr.Slider(0, 1000, step=1, label="Seed", value=0, elem_id="fps_hc_seed")
-                    tree_method_radio = gr.Radio(["eigvecs", "tsne"], label="Tree Method (input type)", value="eigvecs", elem_id="tree_method")
+                    tree_method_radio = gr.Radio(["eigvecs", "tsne"], label="Tree Method (input type)", value="tsne", elem_id="tree_method", 
+                                                info="What's the input to build tree? `eigvecs` is loss-less, `tsne` is lossy; tsne make tree looks 'better', eigvecs is more accurate.")
                 tsne_plot = gr.Image(label="spectral-tSNE tree", elem_id="tsne_plot", interactive=False, format='png')
                 
                 tsne_2d_points = gr.State(np.array([]))