diff --git a/uwp/TreeGrid/ToolTip.md b/uwp/TreeGrid/ToolTip.md
index 0c0876e2..fb73202d 100644
--- a/uwp/TreeGrid/ToolTip.md
+++ b/uwp/TreeGrid/ToolTip.md
@@ -8,7 +8,7 @@ documentation: ug
 ---
 
 
-## Tooltip
+# Tooltip
 
 Tooltip supports showing the pop-up window that displays the information when the mouse hovers over a cell of the SfTreeGrid.