Update app.py

app.py

@@ -56,7 +56,7 @@ if st.session_state.selected_page == 'What is NLP?':
 # Content for NLP Lifecycle
 elif st.session_state.selected_page == "NLP Lifecycle":
     lifecycle_option = sidebar.radio("Select NLP Lifecycle Step:", [
-        "What is NLP Lifyecycle",
+        "Overview of the NLP Life Cycle",
         "Problem Definition",
         "Data Collection",
         "Text Preprocessing",