diff --git a/core/modules/taxonomy/src/Plugin/views/filter/TaxonomyIndexTid.php b/core/modules/taxonomy/src/Plugin/views/filter/TaxonomyIndexTid.php
index 0158881..840e0d6 100644
--- a/core/modules/taxonomy/src/Plugin/views/filter/TaxonomyIndexTid.php
+++ b/core/modules/taxonomy/src/Plugin/views/filter/TaxonomyIndexTid.php
@@ -82,6 +82,9 @@ public function init(ViewExecutable $view, DisplayPluginBase $display, array &$o
     }
   }
 
+  /**
+   * {@inheritdoc}
+   */
   public function hasExtraOptions() { return TRUE; }
 
   /**
@@ -91,6 +94,9 @@ public function getValueOptions() {
     return $this->valueOptions;
   }
 
+  /**
+   * {@inheritdoc}
+   */
   protected function defineOptions() {
     $options = parent::defineOptions();
 
@@ -103,6 +109,9 @@ protected function defineOptions() {
     return $options;
   }
 
+  /**
+   * {@inheritdoc}
+   */
   public function buildExtraOptionsForm(&$form, FormStateInterface $form_state) {
     $vocabularies = $this->vocabularyStorage->loadMultiple();
     $options = array();
@@ -147,6 +156,9 @@ public function buildExtraOptionsForm(&$form, FormStateInterface $form_state) {
     );
   }
 
+  /**
+   * {@inheritdoc}
+   */
   protected function valueForm(&$form, FormStateInterface $form_state) {
     $vocabulary = $this->vocabularyStorage->load($this->options['vid']);
     if (empty($vocabulary) && $this->options['limit']) {
@@ -259,6 +271,9 @@ protected function valueForm(&$form, FormStateInterface $form_state) {
     }
   }
 
+  /**
+   * {@inheritdoc}
+   */
   protected function valueValidate($form, FormStateInterface $form_state) {
     // We only validate if they've chosen the text field style.
     if ($this->options['type'] != 'textfield') {
@@ -274,6 +289,9 @@ protected function valueValidate($form, FormStateInterface $form_state) {
     $form_state->setValue(array('options', 'value'), $tids);
   }
 
+  /**
+   * {@inheritdoc}
+   */
   public function acceptExposedInput($input) {
     if (empty($this->options['exposed'])) {
       return TRUE;
@@ -313,6 +331,9 @@ public function acceptExposedInput($input) {
     return $rc;
   }
 
+  /**
+   * {@inheritdoc}
+   */
   public function validateExposed(&$form, FormStateInterface $form_state) {
     if (empty($this->options['exposed'])) {
       return;
@@ -339,10 +360,16 @@ public function validateExposed(&$form, FormStateInterface $form_state) {
     }
   }
 
+  /**
+   * {@inheritdoc}
+   */
   protected function valueSubmit($form, FormStateInterface $form_state) {
     // prevent array_filter from messing up our arrays in parent submit.
   }
 
+  /**
+   * {@inheritdoc}
+   */
   public function buildExposeForm(&$form, FormStateInterface $form_state) {
     parent::buildExposeForm($form, $form_state);
     if ($this->options['type'] != 'select') {
@@ -355,6 +382,9 @@ public function buildExposeForm(&$form, FormStateInterface $form_state) {
     );
   }
 
+  /**
+   * {@inheritdoc}
+   */
   public function adminSummary() {
     // set up $this->valueOptions for the parent summary
     $this->valueOptions = array();