diff --git a/wp-admin/includes/post.php b/wp-admin/includes/post.php
index 6782f19500..f11771ec8e 100644
--- a/wp-admin/includes/post.php
+++ b/wp-admin/includes/post.php
@@ -1555,11 +1555,11 @@ function get_sample_permalink_html( $post, $new_title = null, $new_slug = null )
 	 * @since 2.9.0
 	 * @since 4.4.0 Added `$post` parameter.
 	 *
-	 * @param string  $return    Sample permalink HTML markup.
-	 * @param int     $post_id   Post ID.
-	 * @param string  $new_title New sample permalink title.
-	 * @param string  $new_slug  New sample permalink slug.
-	 * @param WP_Post $post      Post object.
+	 * @param string      $return    Sample permalink HTML markup.
+	 * @param int         $post_id   Post ID.
+	 * @param string|null $new_title New sample permalink title.
+	 * @param string|null $new_slug  New sample permalink slug.
+	 * @param WP_Post     $post      Post object.
 	 */
 	$return = apply_filters( 'get_sample_permalink_html', $return, $post->ID, $new_title, $new_slug, $post );
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 09f31b34a9..b2afee4f19 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.3-alpha-55757';
+$wp_version = '6.3-alpha-55758';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.