updating theme builder type

app.py

@@ -10,8 +10,8 @@ with gr.Blocks(theme="Nymbo/Nymbo_Theme_5") as demo:
         with gr.Column(scale=10):
             gr.Markdown(
                 """
-                # Theme preview: `{THEME}`
-                To use this theme, set `theme='{AUTHOR}/{SPACE_NAME}'` in `gr.Blocks()` or `gr.Interface()`.
+                # Theme preview: `Nymbo_Theme_5`
+                To use this theme, set `theme='Nymbo/Nymbo_Theme_5'` 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.
                 """