diff -r 7b1b88e27a20 -r 48c4eec2b7e6 wp/wp-admin/js/customize-widgets.js
--- a/wp/wp-admin/js/customize-widgets.js	Thu Sep 29 08:06:27 2022 +0200
+++ b/wp/wp-admin/js/customize-widgets.js	Fri Sep 05 18:40:08 2025 +0200
@@ -388,7 +388,7 @@
 		},
 
 		/**
-		 * Adds keyboard accessiblity to the panel.
+		 * Adds keyboard accessibility to the panel.
 		 */
 		keyboardAccessible: function( event ) {
 			var isEnter = ( event.which === 13 ),
@@ -1623,7 +1623,8 @@
 
 				// @todo This should use the Notifications API introduced to panels. See <https://core.trac.wordpress.org/ticket/38794>.
 				noticeContainer = $( '<div></div>', {
-					'class': 'no-widget-areas-rendered-notice'
+					'class': 'no-widget-areas-rendered-notice',
+					'role': 'alert'
 				});
 				panelMetaContainer.append( noticeContainer );