JQuery - cambiar nombre de un select

<option value="">taille</option>

<select name="super_attribute[187]" id="attribute187" class="required-entry custom-select validate-select super-attribute-select bs-select-hidden is-bootstraped validation-failed" style="display: none;">

    <option value="">taille</option>

    <option value="5864" price="0" data-label="s" class="in-stock"><span class="size-label">S</span></option><option value="5865" price="0" data-label="m" class="in-stock"><span class="size-label">M</span></option>

    <option value="5866" price="0" data-label="l" class="in-stock"><span class="size-label">L</span></option>

    <option value="5867" price="0" data-label="xl" class="in-stock"><span class="size-label">XL</span></option><option value="5868" price="0" data-label="xxl" class="in-stock"><span class="size-label">XXL</span></option>

    <option value="5869" price="0" data-label="3xl" class="in-stock"><span class="size-label">3XL</span></option>

    <option value="5870" price="0" data-label="4xl" class="in-stock"><span class="size-label">4XL</span></option>

</select>

$("#attribute187").find("option")[0].text="hola";

$('#attribute187').find('option').each(function(e){

	$(this).attr('value', "Tu texto");//se modificará solo el primer "option"

	return false;

});

$('#attribute187').find('option').each(function(e){

	if(e == 0){

		$(this).attr('value', "Tu texto");//se modificará solo el primer "option"

		return false;

	}

});