function renderThemeLockField( $args ) {
		$this->renderCheckbox(
			[
				'id' => 'theme_lock',
				'name' => $this->getSlug(),
				'option' => 'theme_lock',
				'value' => ( isset( $this->options['theme_lock'] ) ) ? $this->options['theme_lock'] : '',
				'label' => $args[0],
				'description' => __( 'This will prevent any changes to your book&rsquo;s appearance and page count when themes are updated.', 'pressbooks' ),
			]
		);
	}