diff --git a/header.php b/header.php
index 8cde856..242e02d 100644
--- a/header.php
+++ b/header.php
@@ -87,6 +87,7 @@
 						'container' => 'nav',
 						'container_class' => 'js-header-nav',
 						'container_id' => 'navigation',
+						'container_aria_label' => 'primary',
 						'menu_id' => 'nav-primary-menu',
 						'menu_class' => 'nav--primary',
 					]
diff --git a/inc/helpers/namespace.php b/inc/helpers/namespace.php
index 482b53d..855cab5 100644
--- a/inc/helpers/namespace.php
+++ b/inc/helpers/namespace.php
@@ -273,7 +273,7 @@ function get_default_menu( $items = '' ) {
  */
 function default_menu( $args = [], $items = '' ) {
 	printf(
-		"<{$args['container']} id='{$args['container_id']}' class='{$args['container_class']}'><ul id='{$args['menu_id']}' class='{$args['menu_class']}'>%s</ul></{$args['container']}>",
+		"<{$args['container']} id='{$args['container_id']}' class='{$args['container_class']}' aria-label='{$args['container_aria_label']}'><ul id='{$args['menu_id']}' class='{$args['menu_class']}'>%s</ul></{$args['container']}>",
 		get_default_menu( $items )
 	);
 	if ( class_exists( '\PressbooksOAuth\OAuth' ) ) {