adjust

src/client/js/components/Admin/MarkdownSetting/LineBreakForm.jsx

@@ -86,7 +86,6 @@ class LineBreakForm extends React.Component {
           {this.renderLineBreakOption()}
           {this.renderLineBreakInCommentOption()}
         </fieldset>
-
         <div className="form-group my-3">
           <div className="col-xs-offset-4 col-xs-5">
             <button type="submit" className="btn btn-primary" onClick={this.onClickSubmit}>{ t('Update') }</button>