Update app.py

app.py

@@ -24,7 +24,7 @@ X = iris.data
 
 st.title('Understanding K-Means Clustering')
 
-tab1, tab2, about_age = st.tabs(["Basic ☕", "Advanced 🔬","ℹ️ About"])
+tab1, tab2, about = st.tabs(["Basic ☕", "Advanced 🔬","ℹ️ About"])
 
 if "toggle" not in st.session_state:
     st.session_state.toggle = True
@@ -233,7 +233,7 @@ with tab2:
 
     **Feel free to adjust the number of clusters to see how data points get re-grouped!**
     """)
-with about_page:
+with about:
     st.title("About This Application")
     
     st.markdown("""