update label

Signed-off-by: peter szemraj <peterszemraj@gmail.com>

app.py

@@ -223,7 +223,7 @@ if __name__ == "__main__":
                 with gr.Column(scale=0.5, variant='compact'):
 
                     model_size = gr.Radio(
-                        choices=["LongT5-base", "Pegasus-X-large"], label="Model Variant", value="base"
+                        choices=["LongT5-base", "Pegasus-X-large"], label="Model Variant", value="LongT5-base"
                     )
                     num_beams = gr.Radio(
                         choices=[2, 3, 4],