diff --git a/src/wp-content/themes/twentytwentyone/classes/class-twenty-twenty-one-customize-notice-control.php b/src/wp-content/themes/twentytwentyone/classes/class-twenty-twenty-one-customize-notice-control.php
index 3d3c170f4b..a8c22b8f2d 100644
--- a/src/wp-content/themes/twentytwentyone/classes/class-twenty-twenty-one-customize-notice-control.php
+++ b/src/wp-content/themes/twentytwentyone/classes/class-twenty-twenty-one-customize-notice-control.php
@@ -40,7 +40,7 @@ class Twenty_Twenty_One_Customize_Notice_Control extends WP_Customize_Control {
 			<p><a href="<?php echo esc_url( __( 'https://wordpress.org/support/article/twenty-twenty-one/#dark-mode-support', 'twentytwentyone' ) ); ?>">
 				<?php esc_html_e( 'Learn more about Dark Mode.', 'twentytwentyone' ); ?>
 			</a></p>
-		</div>
+		</div><!-- .notice -->
 		<?php
 	}
 }