update app.

app.py

@@ -170,11 +170,17 @@ with gr.Blocks() as app:
         )
         r_d_text = gr.Textbox(label="Recognition from the model", interactive=False)
         vanilla_text = gr.Textbox(label="Vanilla", interactive=False)
-
+    gr.Markdown(
+        "To visualize the writing process in video, select *Output format* as **Image+Video**."
+    )
     with gr.Row():
-        d_t_vid = gr.Video(label="Derender with Text", autoplay=True)
-        r_d_vid = gr.Video(label="Recognize and Derender", autoplay=True)
-        vanilla_vid = gr.Video(label="Vanilla", autoplay=True)
+        d_t_vid = gr.Video(
+            label="Derender with Text (Click to stop/play)", autoplay=True
+        )
+        r_d_vid = gr.Video(
+            label="Recognize and Derender (Click to stop/play)", autoplay=True
+        )
+        vanilla_vid = gr.Video(label="Vanilla (Click to stop/play)", autoplay=True)
 
     with gr.Row():
         btn_sub = gr.Button("Sample")
@@ -196,7 +202,7 @@ with gr.Blocks() as app:
         ],
     )
 
-    gr.Markdown("## Additional Word-level Samples")
+    gr.Markdown("## More Word-level Samples")
 
     html_content = """
     <div style="display: flex; justify-content: space-around; flex-wrap: wrap; gap: 0px;">
@@ -216,7 +222,7 @@ with gr.Blocks() as app:
     gr.HTML(html_content)
 
     # Sketches
-    gr.Markdown("## Additional Sketch Samples")
+    gr.Markdown("## Sketch Samples")
 
     html_content = """
     <div style="display: flex; justify-content: space-around; flex-wrap: wrap; gap: 0px;">