Update app.py

app.py

@@ -10,8 +10,8 @@ with gr.Blocks(theme='CultriX/gradio-theme') as demo:
         with gr.Column(scale=10):
             gr.Markdown(
                 """
-                # Theme preview: `gradio-theme`
-                To use this theme, set `theme='CultriX/gradio-theme'` in `gr.Blocks()` or `gr.Interface()`.
+                # Theme preview: `rounded-gradient`
+                To use this theme, set `theme='Nymbo/rounded-gradient'` in `gr.Blocks()` or `gr.Interface()`.
                 You can append an `@` and a semantic version expression, e.g. @>=1.0.0,<2.0.0 to pin to a given version
                 of this theme.
                 """