diff --git a/wp-includes/js/wpdialog.js b/wp-includes/js/wpdialog.js
index 9f5c19bae4..baf1f2f01a 100644
--- a/wp-includes/js/wpdialog.js
+++ b/wp-includes/js/wpdialog.js
@@ -1,3 +1,6 @@
+/*
+ * Wrap the jQuery UI Dialog open function remove focus from tinyMCE.
+ */
 ( function($) {
 	$.widget('wp.wpdialog', $.ui.dialog, {
 		open: function() {
@@ -8,6 +11,7 @@
 
 			// Open the dialog.
 			this._super();
+
 			// WebKit leaves focus in the TinyMCE editor unless we shift focus.
 			this.element.focus();
 			this._trigger('refresh');
diff --git a/wp-includes/version.php b/wp-includes/version.php
index fe43eb3716..0a31022cc2 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.0-alpha-43143';
+$wp_version = '5.0-alpha-43144';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.