diff --git a/core/modules/views/src/Plugin/views/display/DisplayPluginInterface.php b/core/modules/views/src/Plugin/views/display/DisplayPluginInterface.php
index fedb662..c8bc31c 100644
--- a/core/modules/views/src/Plugin/views/display/DisplayPluginInterface.php
+++ b/core/modules/views/src/Plugin/views/display/DisplayPluginInterface.php
@@ -213,8 +213,21 @@ public function getLinkDisplay();
    */
   public function getPath();
 
+  /**
+   * Points to the display which can be linked by this display.
+   *
+   * If $this display has route information it is itself, otherwise it is the
+   * configured linked display.
+   *
+   * @return static|null
+   */
   public function getRoutedDisplay();
 
+  /**
+   * Returns a URL to $this display or its configured linked display
+   *
+   * @return \Drupal\Core\Url|null
+   */
   public function getUrl();
 
   /**
diff --git a/core/modules/views/src/ViewExecutable.php b/core/modules/views/src/ViewExecutable.php
index d828594..5b5f516 100644
--- a/core/modules/views/src/ViewExecutable.php
+++ b/core/modules/views/src/ViewExecutable.php
@@ -1704,6 +1704,16 @@ public function buildTitle() {
     $this->_buildArguments();
   }
 
+  /**
+   * Determines whether you can link to the view.
+   *
+   * @param array $args
+   *   (optional) The arguments.
+   * @param string $display_id
+   *   (optional) The display ID.
+   *
+   * @return bool
+   */
   public function hasUrl($args = NULL, $display_id = NULL) {
     if (!empty($this->override_url)) {
       return TRUE;