Update app.py

app.py

@@ -105,9 +105,8 @@ css = '''
 
 with gr.Blocks(css=css) as demo:
   binary_matrixes = gr.State([])
-  gr.Markdown('''## Control your Stable Diffusion generation with Sketches
-  This Space demonstrates MultiDiffusion region-based generation using Stable Diffusion model. To get started, draw your masks and type your prompts. More details in the [project page](https://multidiffusion.github.io).
-  
+  gr.Markdown('''## Control your Stable Diffusion generation with Sketches (_beta_)
+  A beta version demo of MultiDiffusion region-based generation using Stable Diffusion model. To get started, draw your masks and type your prompts. More details in the [project page](https://multidiffusion.github.io).
   ''')
 
   if(is_shared_ui):