Update app.py

app.py

@@ -84,7 +84,7 @@ def update_neurons(activation, seed):
 
 # Gradio Interface
 with gr.Blocks() as demo:
-    gr.Markdown("# **Au@CeO$_2$ Nanozyme-Based Smart Colourimetric Sensor for Cholesterol:**")
+    gr.Markdown("# **Au@CeO₂ Nanozyme-Based Smart Colourimetric Sensor for Cholesterol:**")
     gr.Markdown("# **A Neural Network-Powered Point-of-Care Solution Model**")
     gr.Markdown("### **Cholestrol Concentration Prediction Models (CCPM) - Linear and ANN Models**")
     gr.Markdown("**Licence: Creative Commons Attribution Non Commercial Share Alike 4.0	cc-by-nc-sa-4.0**")