diff --git a/src/wp-includes/cron.php b/src/wp-includes/cron.php
index 8660e32267..4726a8d474 100644
--- a/src/wp-includes/cron.php
+++ b/src/wp-includes/cron.php
@@ -76,7 +76,7 @@ function wp_schedule_single_event( $timestamp, $hook, $args = array(), $wp_error
 	 * @since 5.1.0
 	 * @since 5.7.0 The `$wp_error` parameter was added, and a `WP_Error` object can now be returned.
 	 *
-	 * @param null|bool|WP_Error $pre      Value to return instead. Default null to continue adding the event.
+	 * @param null|bool|WP_Error $result   The value to return instead. Default null to continue adding the event.
 	 * @param stdClass           $event    {
 	 *     An object containing an event's data.
 	 *
diff --git a/tests/phpunit/tests/cron.php b/tests/phpunit/tests/cron.php
index ebb709fec9..e5ecee093b 100644
--- a/tests/phpunit/tests/cron.php
+++ b/tests/phpunit/tests/cron.php
@@ -456,7 +456,7 @@ class Tests_Cron extends WP_UnitTestCase {
 	/**
 	 * Filter the scheduling of events to use the preflight array.
 	 */
-	public function filter_pre_schedule_event_filter( $null, $event ) {
+	public function filter_pre_schedule_event_filter( $result, $event ) {
 		$key = md5( serialize( $event->args ) );
 
 		$this->preflight_cron_array[ $event->timestamp ][ $event->hook ][ $key ] = array(
@@ -465,6 +465,7 @@ class Tests_Cron extends WP_UnitTestCase {
 			'args'     => $event->args,
 		);
 		uksort( $this->preflight_cron_array, 'strnatcasecmp' );
+
 		return true;
 	}