diff --git a/components/slider/demo/show-tooltip.md b/components/slider/demo/show-tooltip.md
index a285a49afc..1d7a0a6bde 100644
--- a/components/slider/demo/show-tooltip.md
+++ b/components/slider/demo/show-tooltip.md
@@ -5,19 +5,16 @@ title:
   en-US: Control visible of ToolTip
 ---
 
- ## zh-CN
+## zh-CN
 
- 当 `tooltipVisible` 为 `true` 时，将始终显示ToolTip；反之则始终不显示，即使在拖动、移入时也是如此。
+当 `tooltipVisible` 为 `true` 时，将始终显示ToolTip；反之则始终不显示，即使在拖动、移入时也是如此。
 
- ## en-US
-
- When `tooltipVisible` is `true`, ToolTip will show always, or ToolTip will not show anyway, even if dragging or hovering.
+## en-US
 
+When `tooltipVisible` is `true`, ToolTip will show always, or ToolTip will not show anyway, even if dragging or hovering.
 
 ````jsx
-
 import { Slider } from 'antd';
 
 ReactDOM.render(<Slider defaultValue={30} tooltipVisible />, mountNode);
-
 ````