diff --git a/core/modules/syslog/src/Tests/Update/SyslogUpdateTest.php b/core/modules/syslog/src/Tests/Update/SyslogUpdateTest.php
index 4b920a4..2b0482f 100644
--- a/core/modules/syslog/src/Tests/Update/SyslogUpdateTest.php
+++ b/core/modules/syslog/src/Tests/Update/SyslogUpdateTest.php
@@ -23,7 +23,7 @@ protected function setDatabaseDumpFiles() {
   /**
    * Tests that syslog.settings.facility has been converted from string to int.
    *
-   * @see syslog_update_8300()
+   * @see syslog_update_8400()
    */
   public function testSyslogSettingsFacilityDataType() {
     $config = $this->config('syslog.settings');
diff --git a/core/modules/syslog/syslog.install b/core/modules/syslog/syslog.install
index 964058e..f0ce5cc 100644
--- a/core/modules/syslog/syslog.install
+++ b/core/modules/syslog/syslog.install
@@ -17,7 +17,7 @@ function syslog_install() {
 /**
  * Convert syslog.settings.facility to an integer.
  */
-function syslog_update_8300() {
+function syslog_update_8400() {
   $config = \Drupal::configFactory()->getEditable('syslog.settings');
   $facility = (int) $config->get('facility');
   $config->set('facility', $facility)->save(TRUE);