diff --git a/core/modules/update/update.module b/core/modules/update/update.module
index c880458de9..25c4d93762 100644
--- a/core/modules/update/update.module
+++ b/core/modules/update/update.module
@@ -428,7 +428,7 @@ function update_get_available($refresh = FALSE) {
  *   determine if releases are insecure.
  */
 function _update_equivalent_security_releases() {
-  trigger_error('_update_equivalent_security_releases() was a temporary fix and will be removed before 9.0.0. Use the \'Insecure\' release type tag in update XML provided by Drupal.org to determine if releases are insecure.', E_USER_DEPRECATED);
+  trigger_error("_update_equivalent_security_releases() was a temporary fix and will be removed before 9.0.0. Use the 'Insecure' release type tag in update XML provided by Drupal.org to determine if releases are insecure.", E_USER_DEPRECATED);
   switch (\Drupal::VERSION) {
     case '8.3.8':
       return ['8.4.5', '8.5.0-rc1'];