diff --git a/references/chart-types/table.mdx b/references/chart-types/table.mdx
index 53c84651..b8a95d86 100644
--- a/references/chart-types/table.mdx
+++ b/references/chart-types/table.mdx
@@ -207,6 +207,8 @@ You can add subtotals to your tables by selecting `Show subtotals` in the chart
 
 To use subtotals, you need to have at least 2 or more dimensions in your table visualization.
 
+Subtotals are calculated by running an additional query against your warehouse at each nesting level, so values are accurate for every metric type — including non-additive metrics like `count_distinct`, `average`, and ratio metrics. You won't see "average of averages" or inflated distinct counts in the subtotal rows.
+
 ### Expand subtotals by default
 
 When `Show subtotals` is enabled, you can also enable `Expand subtotals by default` to control how subtotal groups render when the chart first loads: