chromium/chrome/browser/resources/ash/settings/os_people_page/os_personalization_options.html

<style include="settings-shared">
  :host(.list-frame) settings-toggle-button {
    padding-inline-end: 0;
    padding-inline-start: 0;
  }

  :host(.list-frame) settings-toggle-button:first-of-type {
    border-top: none;
  }
</style>

<settings-toggle-button id="spellCheckControl"
    class="hr"
    pref="{{prefs.spellcheck.use_spelling_service}}"
    on-settings-boolean-control-change="onUseSpellingServiceToggle_"
    label="$i18n{spellingPref}"
    sub-label="$i18n{spellingDescription}"
    hidden="[[!showSpellCheckControlToggle_(prefs.spellcheck.dictionaries)]]">
</settings-toggle-button>