diff --git a/core/lib/Drupal/Core/Entity/EntityReferenceSelection/SelectionPluginBase.php b/core/lib/Drupal/Core/Entity/EntityReferenceSelection/SelectionPluginBase.php
index 99be1f022c..b81b6678e6 100644
--- a/core/lib/Drupal/Core/Entity/EntityReferenceSelection/SelectionPluginBase.php
+++ b/core/lib/Drupal/Core/Entity/EntityReferenceSelection/SelectionPluginBase.php
@@ -130,7 +130,7 @@ protected function resolveBackwardCompatibilityConfiguration(array &$configurati
       if (!is_array($configuration['handler_settings'])) {
         throw new \InvalidArgumentException("The setting 'handler_settings' is reserved and cannot be used.");
       }
-      @trigger_error("Providing settings under 'handler_settings' is deprecated since version 8.3.x and will be removed before 9.0.0. Move the settings in the root of the configuration array.", E_USER_DEPRECATED);
+      @trigger_error("Providing settings under 'handler_settings' is deprecated and will be removed before 9.0.0. Move the settings in the root of the configuration array.", E_USER_DEPRECATED);
 
       // Settings passed in the root level take precedence over BC settings.
       $configuration += $configuration['handler_settings'];
diff --git a/core/tests/Drupal/Tests/Core/EntityReferenceSelection/EntityReferenceSelectionUnitTest.php b/core/tests/Drupal/Tests/Core/EntityReferenceSelection/EntityReferenceSelectionUnitTest.php
index 65556c3996..deb7370d44 100644
--- a/core/tests/Drupal/Tests/Core/EntityReferenceSelection/EntityReferenceSelectionUnitTest.php
+++ b/core/tests/Drupal/Tests/Core/EntityReferenceSelection/EntityReferenceSelectionUnitTest.php
@@ -211,13 +211,13 @@ public function testDeprecationErrorTriggering() {
     $config = ['setting1' => TRUE];
     new TestSelection($config, 'test_selector', []);
     // Check that deprecation error has not been triggered.
-    $this->assertNoError("Providing settings under 'handler_settings' is deprecated since version 8.3.x and will be removed before 9.0.0. Move the settings in the root of the configuration array.", E_USER_DEPRECATED);
+    $this->assertNoError("Providing settings under 'handler_settings' is deprecated and will be removed before 9.0.0. Move the settings in the root of the configuration array.", E_USER_DEPRECATED);
 
     // Configuration with BC level.
     $config = ['handler_settings' => ['setting1' => TRUE]];
     new TestSelection($config, 'test_selector', []);
     // Check that deprecation error has been triggered.
-    $this->assertError("Providing settings under 'handler_settings' is deprecated since version 8.3.x and will be removed before 9.0.0. Move the settings in the root of the configuration array.", E_USER_DEPRECATED);
+    $this->assertError("Providing settings under 'handler_settings' is deprecated and will be removed before 9.0.0. Move the settings in the root of the configuration array.", E_USER_DEPRECATED);
   }
 
   /**