Update app.py

app.py

@@ -256,7 +256,7 @@ with st.sidebar:
             ranking_data,
             column_config={
                 "Contributor": st.column_config.TextColumn("Contributor"),
-                "Spaces Count": st.column_config.NumberColumn("Spaces Count", format="%d")
+                "Spaces Count": st.column_config.NumberColumn("Spaces Count (based on top 500 spaces)", format="%d")
             },
             use_container_width=True,
             hide_index=False