Update app.py

app.py

@@ -260,7 +260,7 @@ elif st.session_state.current_page == "Simple EDA":
         switch_page("Model Report") 
 
 
-elif st.session_state.current_page == "Data Preprocessing":
+elif st.session_state.current_page == "Data Pre-processing":
     st.markdown("<h1 class='title'>Data Preprocessing</h1>", unsafe_allow_html=True)
 
     # Title for Handling Missing Values