diff -r 3d4e9c994f10 -r a86126ab1dd4 wp/wp-includes/js/wp-custom-header.js
--- a/wp/wp-includes/js/wp-custom-header.js	Tue Oct 22 16:11:46 2019 +0200
+++ b/wp/wp-includes/js/wp-custom-header.js	Tue Dec 15 13:49:49 2020 +0100
@@ -50,7 +50,7 @@
 
 	CustomHeader.prototype = {
 		/**
-		 * Initalize the custom header.
+		 * Initialize the custom header.
 		 *
 		 * If the environment supports video, loops through registered handlers
 		 * until one is found that can handle the video.
@@ -79,7 +79,7 @@
 		 * @return {boolean}
 		 */
 		supportsVideo: function() {
-			// Don't load video on small screens. @todo: consider bandwidth and other factors.
+			// Don't load video on small screens. @todo Consider bandwidth and other factors.
 			if ( window.innerWidth < settings.minWidth || window.innerHeight < settings.minHeight ) {
 				return false;
 			}
@@ -108,7 +108,7 @@
 		/**
 		 * Initialize the video handler.
 		 *
-		 * @param {object} settings Video settings.
+		 * @param {Object} settings Video settings.
 		 */
 		initialize: function( settings ) {
 			var handler = this,
@@ -217,7 +217,7 @@
 		 * Whether the handler can process a video.
 		 *
 		 * @abstract
-		 * @param {object} settings Video settings.
+		 * @param {Object} settings Video settings.
 		 * @return {boolean}
 		 */
 		test: function() {
@@ -239,7 +239,7 @@
 	 *
 	 * @memberOf wp
 	 *
-	 * @param {object} protoProps Properties to apply to the prototype.
+	 * @param {Object} protoProps Properties to apply to the prototype.
 	 * @return CustomHandler The subclass.
 	 */
 	BaseHandler.extend = function( protoProps ) {
@@ -271,7 +271,7 @@
 		/**
 		 * Whether the native handler supports a video.
 		 *
-		 * @param {object} settings Video settings.
+		 * @param {Object} settings Video settings.
 		 * @return {boolean}
 		 */
 		test: function( settings ) {
@@ -345,7 +345,7 @@
 		/**
 		 * Whether the handler supports a video.
 		 *
-		 * @param {object} settings Video settings.
+		 * @param {Object} settings Video settings.
 		 * @return {boolean}
 		 */
 		test: function( settings ) {