add well

src/client/js/components/Admin/Customize/CustomizeFunctionSetting.jsx

@@ -41,6 +41,7 @@ class CustomizeBehaviorSetting extends React.Component {
     return (
       <React.Fragment>
         <h2>{t('customize_page.Function')}</h2>
+        <p className="well">{ t('customize_page.function_choose') }</p>
         <AdminUpdateButton onClick={this.onClickSubmit} />
       </React.Fragment>
     );