Update app.py

app.py

@@ -239,7 +239,7 @@ with gr.Blocks(css=css) as demo:
                 steps = gr.Slider(label="Steps", value=20, minimum=2, maximum=30, step=1)
 
               with gr.Row():
-                width = gr.Slider(label="Width", value=512, minimum=64, maximum=1024, step=64)
+                width = gr.Slider(label="width", value=512, minimum=64, maximum=1024, step=64)
                 height = gr.Slider(label="Height", value=512, minimum=64, maximum=1024, step=64)
 
               seed = gr.Slider(0, 2147483647, label='Seed (0 = random)', value=0, step=1)