diff --git a/core/tests/Drupal/Tests/Component/Utility/UrlTest.php b/core/tests/Drupal/Tests/Component/Utility/UrlTest.php
index 419279c..4dec865 100644
--- a/core/tests/Drupal/Tests/Component/Utility/UrlTest.php
+++ b/core/tests/Drupal/Tests/Component/Utility/UrlTest.php
@@ -201,8 +201,12 @@ public function testInvalidRelative($url, $prefix) {
    * Tests query filtering.
    *
    * @param array $query
+   *   The array of query parameters.
    * @param array $exclude
+   *   A list of $query array keys to remove. Use "parent[child]" to exclude
+   *   nested items.
    * @param array $expected
+   *   An array containing query parameters.
    *
    * @dataProvider providerTestFilterQueryParameters
    *