diff --git a/core/includes/theme.inc b/core/includes/theme.inc
index 2738977..89cdc53 100644
--- a/core/includes/theme.inc
+++ b/core/includes/theme.inc
@@ -1702,8 +1702,8 @@ function template_preprocess_table(&$variables) {
  * Default template: tablesort-indicator.html.twig.
  *
  * @param array $variables
- * An associative array containing:
- * - style: Set to either 'asc' or 'desc'. This determines which icon to show.
+ *   An associative array containing:
+ *   - style: Set to either 'asc' or 'desc'. This determines which icon to show.
  */
 function template_preprocess_tablesort_indicator(&$variables) {
   // Provide the image attributes for an ascending or descending image.
diff --git a/core/modules/system/src/Tests/Theme/EngineTwigTest.php b/core/modules/system/src/Tests/Theme/EngineTwigTest.php
index 83b7149..0f69878 100644
--- a/core/modules/system/src/Tests/Theme/EngineTwigTest.php
+++ b/core/modules/system/src/Tests/Theme/EngineTwigTest.php
@@ -42,7 +42,7 @@ function testTwigVariableDataTypes() {
   }
 
   /**
-   * Tests the url and url_generate Twig function.
+   * Tests the url and url_generate Twig functions.
    */
   public function testTwigUrlGenerator() {
     $this->drupalGet('twig-theme-test/url-generator');
diff --git a/core/modules/system/templates/tablesort-indicator.html.twig b/core/modules/system/templates/tablesort-indicator.html.twig
index 695f1ae..059805f 100644
--- a/core/modules/system/templates/tablesort-indicator.html.twig
+++ b/core/modules/system/templates/tablesort-indicator.html.twig
@@ -6,6 +6,8 @@
  * Available variables:
  * - style: Either 'asc' or 'desc', indicating the sorting direction.
  *
+ * @see template_preprocess_tablesort_indicator()
+ *
  * @ingroup themeable
  */
 #}