update app.py

app.py

@@ -119,7 +119,7 @@ with gr.Blocks() as demo:
   with gr.Row():
     with gr.Column():
       bw_image = gr.Image(label='Black and White Input Image')
-      btn = gr.Button('Convert using DDColor')
+      btn = gr.Button('Convert')
     with gr.Column():
       col_image_slider =ImageSlider(position=0.5,
                                      label='Colored Image with Slider-view')