column_description example

echo "<td class='theme-title column-primary{$extra_classes}'><strong>" . $item->display( 'Name' ) . $active_theme_label . '</strong>';

                    $this->column_name( $item );

                    echo '</td>';
                    break;

                case 'description':
                    echo "<td class='column-description desc{$extra_classes}'>";

                    $this->column_description( $item );

                    echo '</td>';
                    break;

                case 'auto-updates':
                    echo "<td class='column-auto-updates{$extra_classes}'>";

                    $this->column_autoupdates( $item );

                    echo '</td>';
                    break;