API to Update the category description

DECLARE
         l_return_status VARCHAR2(80);
         l_error_code    NUMBER;
         l_msg_count     NUMBER;
         l_msg_data      VARCHAR2(80);
         l_category_id   NUMBER;
         l_description   VARCHAR2(80);
        g_prem           VARCHAR2(10);
BEGIN
      select mcb.CATEGORY_ID into l_category_id
        from mtl_categories_b mcb
       where mcb.SEGMENT1='BLACK'
         and mcb.STRUCTURE_ID = (select mcs_b.STRUCTURE_ID
             from mtl_category_sets_b mcs_b
             where mcs_b.CATEGORY_SET_ID = (select mcs_tl.CATEGORY_SET_ID
                 from mtl_category_sets_tl mcs_tl
                 where CATEGORY_SET_NAME ='INV_COLORS_SET'));

      l_description := 'New Black Color';

     INV_ITEM_CATEGORY_PUB.Update_Category_Description (
       p_api_version     => 1.0,
       p_init_msg_list   => FND_API.G_FALSE,
       p_commit          => FND_API.G_TRUE,
       x_return_status   => l_return_status,
       x_errorcode       => l_error_code,
       x_msg_count       => l_msg_count,
       x_msg_data        => l_msg_data,
       p_category_id     => l_category_id,
       p_description     => l_description);

  IF l_return_status = fnd_api.g_ret_sts_success THEN
    COMMIT;
    DBMS_OUTPUT.put_line ('Update of Item Category Description is Successful : '||l_category_id);
  ELSE
    DBMS_OUTPUT.put_line ('Update of Item Category Description Failed with the error :'||l_error_code);
    ROLLBACK;
  END IF;
END ;