diff --git a/wp-includes/class-wp-phpmailer.php b/wp-includes/class-wp-phpmailer.php
index 4510e49e27..c3f9f3088e 100644
--- a/wp-includes/class-wp-phpmailer.php
+++ b/wp-includes/class-wp-phpmailer.php
@@ -32,6 +32,8 @@ class WP_PHPMailer extends PHPMailer\PHPMailer\PHPMailer {
 	 *
 	 * @since 6.8.0
 	 *
+	 * @param string $langcode  Optional. Unused. ISO 639-1 2-character language code. Default 'en'.
+	 * @param string $lang_path Optional. Unused. Path to the language file directory. Default empty string.
 	 * @return true Always returns true.
 	 */
 	public function setLanguage( $langcode = 'en', $lang_path = '' ) {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 12b3eff8f0..25dcf699b5 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.9-alpha-60231';
+$wp_version = '6.9-alpha-60232';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.