Update document

update bdiscover app landing page

app.py

@@ -23,7 +23,7 @@ css = '''
 with gr.Blocks(css=css) as demo:
     with gr.Column(variant="panel"):
         gr.Markdown('''## Karlo - unCLIP model by KakaoBrain
-            ##### First [open source implementation](https://github.com/kakaobrain/karlo) of unCLIP, the DALL-E 2 technique. For more try our [B^Discover app](https://huggingface.co/kakaobrain/karlo-v1-alpha)
+            ##### First [open source implementation](https://github.com/kakaobrain/karlo) of unCLIP, the DALL-E 2 technique. For more try our [B^DISCOVER app](https://bdiscover.kakaobrain.com/)
             ''', elem_id="title_area")
         with gr.Row(variant="compact"):
             text = gr.Textbox(