Dcat-Admin/resources/views/form/editor.blade.php

<div class="{{$viewClass['form-group']}}">

    <label for="{{$id}}" class="{{$viewClass['label']}} control-label">{!! $label !!}</label>

    <div class="{{$viewClass['field']}}">

        @include('admin::form.error')

        <textarea class="form-control {{$class}}" id="{{$id}}" name="{{$name}}" placeholder="{{ $placeholder }}" {!! $attributes !!} >{{ $value }}</textarea>

        @include('admin::form.help-block')

    </div>
</div>