diff --git a/core/lib/Drupal/Core/Extension/ModuleInstaller.php b/core/lib/Drupal/Core/Extension/ModuleInstaller.php
index 06a36acd71..1920eef720 100644
--- a/core/lib/Drupal/Core/Extension/ModuleInstaller.php
+++ b/core/lib/Drupal/Core/Extension/ModuleInstaller.php
@@ -79,7 +79,7 @@ public function __construct($root, ModuleHandlerInterface $module_handler, Drupa
     $this->moduleHandler = $module_handler;
     $this->kernel = $kernel;
     if ($logger === NULL) {
-      @trigger_error('The logger.channel.default service must be passed to ' . __CLASS__ . '::'. __METHOD__ . '(). It was added in drupal:9.1.0 and will be required before drupal:10.0.0. See https://www.drupal.org/node/3160464', E_USER_DEPRECATED);
+      @trigger_error('The logger.channel.default service must be passed to ' . __CLASS__ . '::' . __METHOD__ . '(). It was added in drupal:9.1.0 and will be required before drupal:10.0.0. See https://www.drupal.org/node/3160464', E_USER_DEPRECATED);
       $logger = \Drupal::service('logger.channel.default');
     }
     $this->logger = $logger;
diff --git a/core/lib/Drupal/Core/Theme/ThemeManager.php b/core/lib/Drupal/Core/Theme/ThemeManager.php
index 375298bc82..a1d3168fdb 100644
--- a/core/lib/Drupal/Core/Theme/ThemeManager.php
+++ b/core/lib/Drupal/Core/Theme/ThemeManager.php
@@ -84,7 +84,7 @@ public function __construct($root, ThemeNegotiatorInterface $theme_negotiator, T
     $this->themeInitialization = $theme_initialization;
     $this->moduleHandler = $module_handler;
     if ($logger === NULL) {
-      @trigger_error('The logger.channel.theme service must be passed to ' . __CLASS__ . '::'. __METHOD__ . '(). It was added in drupal:9.1.0 and will be required before drupal:10.0.0. See https://www.drupal.org/node/3160464', E_USER_DEPRECATED);
+      @trigger_error('The logger.channel.theme service must be passed to ' . __CLASS__ . '::' . __METHOD__ . '(). It was added in drupal:9.1.0 and will be required before drupal:10.0.0. See https://www.drupal.org/node/3160464', E_USER_DEPRECATED);
       $logger = \Drupal::service('logger.channel.theme');
     }
     $this->logger = $logger;