Update app.py

app.py

@@ -227,3 +227,4 @@ elif st.session_state.selected_page == "NLP Techniques":
         Sentiment analysis involves determining the sentiment of a piece of text, typically categorizing it as positive, negative, or neutral. This is commonly used for customer feedback and social media monitoring.
         - **Example**: "I love this product!" → Positive Sentiment
         """)
+