Document handling Edit Notes

public void docHandlingEditNotes(RefRecId _recId, Notes _notes,Description _strDescription)
{
DocuRef docuref;
;
ttsbegin;
select forupdate firstonly docuref where docuref.RecId == _recId;
docuref.Notes = _notes;
docuref.Name = _strDescription;
docuref.update();
ttscommit;
}