diff --git a/core/modules/views_ui/lib/Drupal/views_ui/Tests/PreviewTest.php b/core/modules/views_ui/lib/Drupal/views_ui/Tests/PreviewTest.php
index 97c0c3f..ff783ef 100644
--- a/core/modules/views_ui/lib/Drupal/views_ui/Tests/PreviewTest.php
+++ b/core/modules/views_ui/lib/Drupal/views_ui/Tests/PreviewTest.php
@@ -193,7 +193,7 @@ public function testPreviewController() {
   /**
    * Asserts that an element has a given class.
    *
-   * @param SimpleXMLElement $element
+   * @param \SimpleXMLElement $element
    *   The element to test.
    * @param string $class
    *   The class to assert.