firefly-iii/resources/views/v2/partials/form/transaction/notes.blade.php

@if(true === $optionalFields['notes'])
<div class="row mb-3">
    <label :for="'notes_' + index" class="col-sm-1 col-form-label d-none d-sm-block">
        <em title="{{ __('firefly.notes') }}" class="fa-solid fa-font"></em>
    </label>
    <div class="col-sm-10">
        <textarea class="form-control"
                  :id="'notes_' + index"
                  x-model="transaction.notes"
                  placeholder="{{ __('firefly.notes')  }}"></textarea>
    </div>
</div>
@endif