diff -r 3d4e9c994f10 -r a86126ab1dd4 wp/wp-includes/class-wp-matchesmapregex.php
--- a/wp/wp-includes/class-wp-matchesmapregex.php	Tue Oct 22 16:11:46 2019 +0200
+++ b/wp/wp-includes/class-wp-matchesmapregex.php	Tue Dec 15 13:49:49 2020 +0100
@@ -38,7 +38,7 @@
 	 *
 	 * @var string
 	 */
-	public $_pattern = '(\$matches\[[1-9]+[0-9]*\])'; // magic number
+	public $_pattern = '(\$matches\[[1-9]+[0-9]*\])'; // Magic number.
 
 	/**
 	 * constructor
@@ -79,7 +79,7 @@
 	/**
 	 * preg_replace_callback hook
 	 *
-	 * @param  array $matches preg_replace regexp matches
+	 * @param array $matches preg_replace regexp matches
 	 * @return string
 	 */
 	public function callback( $matches ) {