Update doc (13851)

Signed-off-by: Nester.zhou <ester.zhou@huawei.com>

en/application-dev/reference/arkui-ts/ts-basic-components-scrollbar.md

@@ -21,7 +21,7 @@ ScrollBar(value: { scroller: Scroller, direction?: ScrollBarDirection, state?: B
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
 | scroller | [Scroller](ts-container-scroll.md#scroller) | Yes| Scroller, which can be bound to scrollable components.|
-| direction | ScrollBarDirection | No| Scrollbar direction in which scrollable components scroll.<br>Default value: **ScrollBarDirection.Vertical**|
+| direction | [ScrollBarDirection](#scrollbardirection) | No| Scrollbar direction in which scrollable components scroll.<br>Default value: **ScrollBarDirection.Vertical**|
 | state | [BarState](ts-appendix-enums.md#barstate) | No| Scrollbar state.<br>Default value: **BarState.Auto**|
 
 >  **NOTE**
@@ -65,7 +65,7 @@ struct ScrollBarExample {
                   .margin({ top: 5 })
               }
             }, item => item)
-          }.margin({ left: 52 })
+          }.margin({ right: 52 })
         }
         .scrollBar(BarState.Off)
         .scrollable(ScrollDirection.Vertical)