diff --git a/PropertyGrid.md b/PropertyGrid.md
index b4e58e6..519e8c4 100644
--- a/PropertyGrid.md
+++ b/PropertyGrid.md
@@ -316,8 +316,9 @@ Sometimes it is necessary to show the properties of a complex object.  The Prope
 | SelectedProperty | Gets or sets the selected property or returns null if the selection is empty. |
 | SelectedPropertyItem | Gets the currently selected PropertyItem. |
 | ShowAdvancedOptions | Gets or sets the visibility of the advanced options button next to the properties. |
-| ShowPreview | Gets or sets if the preview of the control is displayed. |
 | ShowDescriptionByTooltip | Gets or sets if the Description of the PropertyItem will be displayed as a tooltip on the PART_Name of the PropertyItem. When ShowDescriptionByTooltip is True and the DescriptionAttribute on the PropertyItem is not null and not empty, it will be displayed as a tooltip. |
+| ShowHorizontalScrollBar | Gets or sets if the horizontal scroll bar will be visible in the PropertyGrid. Default False. |
+| ShowPreview | Gets or sets if the preview of the control is displayed. |
 | ShowSearchBox | Gets or sets a value indicating whether the search box is displayed. By default, true. |
 | ShowSortOptions | Gets or sets a value indicating whether the show sort options are displayed (Categorized and Alphabetical). By default, true. |
 | ShowSummary | Gets or sets a value indicating whether the summary pane is shown. |