Update app.py

app.py

@@ -519,10 +519,9 @@ if __name__ == "__main__":
             gr.Markdown("Accesses text data from 11,982 unique BAS URLs (6GB [Vector Database](https://huggingface.co/datasets/Mr-Geo/chroma_db/tree/main/) 📚 extracted 02/02/2025) Created with open source technologies: [Gradio](https://gradio.app) for UI 🎨, [Hugging Face](https://huggingface.co/) models for embeddings ⚡, and [Chroma](https://www.trychroma.com/) as the vector database 💻")
             model_selector = gr.Dropdown(
                 choices=[
-                    "llama-3.3-70b-versatile",
-                    "llama-3.1-8b-instant",
-                    "llama-3.3-70b-specdec",
-                    "mixtral-8x7b-32768",
+                    "llama-3.3-70b-versatile",                    
+                    "meta-llama/llama-4-maverick-17b-128e-instruct",
+                    "mistral-saba-24b",
                     "deepseek-r1-distill-llama-70b"
                 ],
                 value="llama-3.3-70b-versatile",
@@ -533,7 +532,7 @@ if __name__ == "__main__":
             chatbot = gr.Chatbot(height=600, type="messages")
             with gr.Row(equal_height=True):
                 msg = gr.Textbox(
-                    placeholder="What would you like to know? Or choose an example question...❓",
+                    placeholder="What would you like to know about BAS? Or choose an example question...❓",
                     label="Your question",
                     show_label=True,
                     container=True,