yt_link placeholder updated

app.py

@@ -648,7 +648,7 @@ with gr.Blocks() as demo:
     with gr.Row():
         with gr.Column():
             with gr.Tab("YouTube"):
-                yt_link = gr.Textbox(show_label=False, placeholder="Insert YouTube link here ...")
+                yt_link = gr.Textbox(show_label=False, placeholder="Insert YouTube link here ... (video needs to have caption)")
                 yt_transcript = gr.Textbox(show_label=False, placeholder="Transcript will be shown here ...", lines=12)
             with gr.Tab("Article"):
                 gr.Textbox(show_label=False, placeholder="WORK IN PROGRESS", interactive=False)