diff --git a/wp-includes/js/wp-custom-header.js b/wp-includes/js/wp-custom-header.js
index 929e6cf02a..b2979f12e8 100644
--- a/wp-includes/js/wp-custom-header.js
+++ b/wp-includes/js/wp-custom-header.js
@@ -1,5 +1,5 @@
 /* global YT */
-( function( window, settings ) {
+(function( window, settings ) {
 
 	var NativeHandler, YouTubeHandler;
 
@@ -106,7 +106,7 @@
 				button = document.createElement( 'button' );
 
 			this.settings = settings;
-			this.container = document.getElementById( 'wp-custom-header' ),
+			this.container = document.getElementById( 'wp-custom-header' );
 			this.button = button;
 
 			button.setAttribute( 'type', 'button' );
@@ -228,7 +228,7 @@
 	/**
 	 * Create a custom handler.
 	 *
-	 * @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 ) {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 64e6ed935d..e8461bbbc0 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-beta4-39276';
+$wp_version = '4.7-beta4-39277';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.