docs: spell error of iOS

content/show/scrolllist/index-en-US.md

@@ -18,7 +18,7 @@ import { ScrollList, ScrollItem } from '@douyinfe/semi-ui';
 ```
 ### Basic Usage
 
-The scrolling list provides a scrolling selection mode similar to the IOS operating system, while supporting scrolling to the specified window location selection and click selection.
+The scrolling list provides a scrolling selection mode similar to the iOS operating system, while supporting scrolling to the specified window location selection and click selection.
 
 ```jsx live=true
 import React from 'react';

content/show/sidesheet/index-en-US.md

@@ -254,7 +254,7 @@ class Demo extends React.Component {
                             initValue={'all'}
                         >
                             <Radio value="all">All</Radio>
-                            <Radio value="ios">IOS</Radio>
+                            <Radio value="ios">iOS</Radio>
                             <Radio value="android">Android</Radio>
                             <Radio value="web">Web</Radio>
                         </RadioGroup>

content/show/sidesheet/index.md

@@ -256,7 +256,7 @@ class Demo extends React.Component {
                         />
                         <RadioGroup field="type" label="目标操作系统" direction="horizontal" initValue={'all'}>
                             <Radio value="all">全平台</Radio>
-                            <Radio value="ios">IOS</Radio>
+                            <Radio value="ios">iOS</Radio>
                             <Radio value="android">Android</Radio>
                             <Radio value="web">Web</Radio>
                         </RadioGroup>