Update app.py

app.py

@@ -132,7 +132,7 @@ if selected == "Prediction Tool":
 
             
 
-elif selected == "CVD Knowledge":
+elif selected == "Let's know more about CVD!":
     st.title("Understanding Cardiovascular Disease")
     st.markdown("""
     - **What is CVD?** A group of heart and blood vessel disorders like heart attack and stroke.