Done

app.py

@@ -217,7 +217,8 @@ st.markdown("""
 
 In the first plot, I am highlighting how University of Illinois buildings have been constructed over time from 1800 to 2025. 
 Detailed information of the building is included such as the total floors, the square footage, and the usage types. 
-On the top, a linked histogram with Year Constructed will show how many buildings were built within every 5 years.
+On the top, a linked histogram with Year Constructed will show how many buildings were built within every 5 years,
+which helps smooth out year-to-year fluctuations and makes long-term construction patterns easier to see.
 By clicking a bar, it will highlight the time range in both the histogram and the scatterplot via opacity and color changes. 
 For users, it is easier for them to focus on specific construction eras. Scatterplot is applied with circle marks where 
 the x-axis is Year Constructed and the y-axis is Total Floors. The size of the circle marks are encoding Square Footage so that