Update app.py

app.py

@@ -75,7 +75,7 @@ with gr.Blocks(theme=gr.themes.Soft(primary_hue=gr.themes.colors.slate)) as demo
         with gr.Column():
             pdf_input = gr.File(type="file", label="Upload .pdf File")
             api_input = gr.Textbox(label= "Enter Api-key")
-            upload_button = gr.Button(value="Upload & Start Chat", interactive=True, variant="primary")
+            upload_button = gr.Button(value="Upload & Start Chat:", interactive=True, variant="primary")
         with gr.Column():
             chatbot = gr.Chatbot(label="Chat with Image")
             message = gr.Textbox(label="User", placeholder=prompt)