code: public void setDescription(String description) {
  
          if (CmsStringUtil.isEmptyOrWhitespaceOnly(description)) {
              throw new CmsIllegalArgumentException(
                  org.opencms.db.Messages.get().container(org.opencms.db.Messages.ERR_BAD_OU_DESCRIPTION_EMPTY_0));
          }
  
          m_description = description;
      }
docs: Sets the description of this organizational unit.<p>
  
  @param description the principal organizational unit to set