diff --git a/wp-includes/js/customize-base.js b/wp-includes/js/customize-base.js
index 628d267..13d1ae2 100644
--- a/wp-includes/js/customize-base.js
+++ b/wp-includes/js/customize-base.js
@@ -13,9 +13,9 @@ window.wp = window.wp || {};
 	 * Similar to `goog.inherits`, but uses a hash of prototype properties and
 	 * class properties to be extended.
 	 *
-	 * @param  object parent      Parent class constructor to inherit from.
-	 * @param  object protoProps  Properties to apply to the prototype for use as class instance properties.
-	 * @param  object staticProps Properties to apply directly to the class constructor.
+	 * @param  {object} parent      Parent class constructor to inherit from.
+	 * @param  {object} protoProps  Properties to apply to the prototype for use as class instance properties.
+	 * @param  {object} staticProps Properties to apply directly to the class constructor.
 	 * @return child              The subclassed constructor.
 	 */
 	inherits = function( parent, protoProps, staticProps ) {
@@ -98,8 +98,8 @@ window.wp = window.wp || {};
 	/**
 	 * Creates a subclass of the class.
 	 *
-	 * @param  object protoProps  Properties to apply to the prototype.
-	 * @param  object staticProps Properties to apply directly to the class.
+	 * @param {object} protoProps Properties to apply to the prototype.
+	 * @param {object} classProps Properties to apply directly to the class.
 	 * @return child              The subclass.
 	 */
 	api.Class.extend = function( protoProps, classProps ) {
@@ -539,10 +539,10 @@ window.wp = window.wp || {};
 	/**
 	 * Cast a string to a jQuery collection if it isn't already.
 	 *
-	 * @param {string|jQuery collection} element
+	 * @param {string|jQuery} element
 	 */
 	api.ensure = function( element ) {
-		return typeof element == 'string' ? $( element ) : element;
+		return typeof element === 'string' ? $( element ) : element;
 	};
 
 	/**
diff --git a/wp-includes/js/customize-loader.js b/wp-includes/js/customize-loader.js
index 9d0aad8..4f05aab 100644
--- a/wp-includes/js/customize-loader.js
+++ b/wp-includes/js/customize-loader.js
@@ -101,7 +101,7 @@ window.wp = window.wp || {};
 		/**
 		 * Open the Customizer overlay for a specific URL.
 		 *
-		 * @param  string src URL to load in the Customizer.
+		 * @param  {string} src URL to load in the Customizer.
 		 */
 		open: function( src ) {