Update demo_gradio.py

demo_gradio.py

@@ -176,7 +176,7 @@ with gr.Blocks(css=css) as demo:
     with gr.Column(elem_id="col-container"):
         gr.Markdown("""
         # ZeST: Zero-Shot Material Transfer from a Single Image
-        Upload two images -- input image and material exemplar. (both 1024 for better results)
+        Upload two images -- input image and material exemplar. (both 1024*1024 for better results)
         ZeST extracts the material from the exemplar and cast it onto the input image following the original lighting cues.
         """)
         with gr.Row():