docs(text-area): fix markdown syntax issue (#5473)

Author: buqiyuan

components/input/index.en-US.md

@@ -47,7 +47,7 @@ A basic widget for getting the user input is a text field. Keyboard and mouse ca
 | Property | Description | Type | Default | Version |  |
 | --- | --- | --- | --- | --- | --- |
 | allowClear | allow to remove input content with clear icon | boolean |  | 1.5.0 |  |
-| autosize | Height autosize feature, can be set to \`true | false`or an object`{ minRows: 2, maxRows: 6 }\` | boolean\|object | false |  |
+| autosize | Height autosize feature, can be set to `true | false`or an object`{ minRows: 2, maxRows: 6 }` | boolean\|object | false |  |
 | defaultValue | The initial input content | string |  |  |  |
 | showCount | Whether show text count | boolean | false |  |  |
 | value(v-model) | The input content value | string |  |  |  |

components/input/index.zh-CN.md

@@ -48,7 +48,7 @@ cover: https://gw.alipayobjects.com/zos/alicdn/xS9YEJhfe/Input.svg
 | 参数 | 说明 | 类型 | 默认值 | 版本 |  |
 | --- | --- | --- | --- | --- | --- |
 | allowClear | 可以点击清除图标删除内容 | boolean |  | 1.5.0 |  |
-| autosize | 自适应内容高度，可设置为 \`true | false` 或对象：`{ minRows: 2, maxRows: 6 }\` | boolean\|object | false |  |
+| autosize | 自适应内容高度，可设置为 `true | false` 或对象：`{ minRows: 2, maxRows: 6 }` | boolean\|object | false |  |
 | defaultValue | 输入框默认内容 | string |  |  |  |
 | showCount | 是否展示字数 | boolean | false |  |  |
 | value(v-model) | 输入框内容 | string |  |  |  |