diff --git a/wp-includes/js/media-views.js b/wp-includes/js/media-views.js
index a8a320a755..721042ebd0 100644
--- a/wp-includes/js/media-views.js
+++ b/wp-includes/js/media-views.js
@@ -9031,7 +9031,7 @@ Details = Attachment.extend(/** @lends wp.media.view.Attachment.Details.prototyp
 	 *
 	 * @param {MouseEvent} event A click event.
 	 *
-	 * @returns {void}
+	 * @return {void}
 	 */
 	 copyAttachmentDetailsURLClipboard: function() {
 		var clipboard = new ClipboardJS( '.copy-attachment-url' ),
diff --git a/wp-includes/version.php b/wp-includes/version.php
index fdbccb7e27..bafd60628a 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-alpha-48308';
+$wp_version = '5.5-alpha-48309';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.