How to change text of label that contains input tag?

I want change records per page text but when I change text of label : the select tag deleted. Please advice.

  <div id="dynamic-table_filter" class="dataTables_filter">
        <label>Search:    
            <input aria-controls="dynamic-table" type="text">
        </label>
  </div>

jquery :

$('#dynamic-table_filter label').text('جستجو');