Update pre.py

pre.py

@@ -63,7 +63,7 @@ def add_app_description():
             st.markdown("### Instructions:")
             st.write("1. Upload your CSV file using the file uploader on the sidebar.")
             st.write("2. Choose between 'Multi' and 'Compare' mode using the button on the sidebar.")
-            st.write("3. In 'Multi' mode, the app analyzes a single CSV file.")
+            st.write("3. In 'Multi' mode, you can upload and analyze multiple CSV files for individual environments.")
             st.write("4. In 'Compare' mode, you can upload two CSV files to compare them.")
 
             st.markdown("### Features:")