Top k charts aren't case studies and should go with in other charts
@@ -5,7 +5,7 @@ This example shows how to use the window and transformation filter to display
the Top items of a long list of items in decreasing order.
Here we sort the top 10 highest ranking movies of IMDB.
"""
-# category: case studies
+# category: other charts
import altair as alt
from vega_datasets import data
