diff --git a/superset-frontend/plugins/plugin-chart-echarts/src/controls.tsx b/superset-frontend/plugins/plugin-chart-echarts/src/controls.tsx
index b6bbfddb53f..c0aa4f4f308 100644
--- a/superset-frontend/plugins/plugin-chart-echarts/src/controls.tsx
+++ b/superset-frontend/plugins/plugin-chart-echarts/src/controls.tsx
@@ -279,7 +279,7 @@ const tooltipSortByMetricControl: ControlSetItem = {
     renderTrigger: true,
     default: false,
     description: t(
-      'Whether to sort tooltip by the selected metric in descending order.',
+      'Whether to sort tooltip by the selected metric in descending order. On stacked charts, values are shown in ascending order.',
     ),
     visibility: ({ controls }: ControlPanelsContainerProps) =>
       Boolean(controls?.rich_tooltip?.value),