Update exception comment.
@@ -355,7 +355,8 @@ class TopLevelMixin(object):
"time to send to the frontend or to render. To override the "
"default maximum rows (%s), set the max_rows property of "
"your Chart to an integer larger than the number of rows "
- "in your dataset." % DEFAULT_MAX_ROWS
+ "in your dataset. Alternatively you could perform aggregations "
+ "or other data reductions before using it with Altair" % DEFAULT_MAX_ROWS
)
def _finalize_data(self):
