diff --git a/core/lib/Drupal/Core/Entity/Enhancer/EntityRouteEnhancer.php b/core/lib/Drupal/Core/Entity/Enhancer/EntityRouteEnhancer.php
index 42553f7..6064e9e 100644
--- a/core/lib/Drupal/Core/Entity/Enhancer/EntityRouteEnhancer.php
+++ b/core/lib/Drupal/Core/Entity/Enhancer/EntityRouteEnhancer.php
@@ -23,13 +23,13 @@ class EntityRouteEnhancer implements RouteEnhancerInterface {
   public function enhance(array $defaults, Request $request) {
     if (empty($defaults['_controller'])) {
       if (!empty($defaults['_entity_form'])) {
-        $defaults = $this->ehnanceEntityForm($defaults, $request);
+        $defaults = $this->enhanceEntityForm($defaults, $request);
       }
       elseif (!empty($defaults['_entity_list'])) {
-        $defaults = $this->ehnanceEntityList($defaults, $request);
+        $defaults = $this->enhancEntityList($defaults, $request);
       }
       elseif (!empty($defaults['_entity_view'])) {
-        $defaults = $this->ehnanceEntityView($defaults, $request);
+        $defaults = $this->enhancEntityView($defaults, $request);
       }
     }
     return $defaults;
@@ -51,14 +51,13 @@ public function applies(Route $route) {
    *
    * @param array $defaults
    *   The defaults to modify.
-   *
-   * @param Request $request
+   * @param \Symfony\Component\HttpFoundation\Request $request
    *   The Request instance.
    *
    * @return array
    *   The modified defaults.
    */
-  protected function ehnanceEntityForm(array $defaults, Request $request) {
+  protected function enhanceEntityForm(array $defaults, Request $request) {
     $defaults['_controller'] = 'controller.entity_form:getContentResult';
 
     return $defaults;
@@ -70,14 +69,13 @@ protected function ehnanceEntityForm(array $defaults, Request $request) {
    *
    * @param array $defaults
    *   The defaults to modify.
-   *
-   * @param Request $request
+   * @param \Symfony\Component\HttpFoundation\Request $request
    *   The Request instance.
    *
    * @return array
    *   The modified defaults.
    */
-  protected function ehnanceEntityList(array $defaults, Request $request) {
+  protected function enhancEntityList(array $defaults, Request $request) {
     $defaults['_controller'] = '\Drupal\Core\Entity\Controller\EntityListController::listing';
     $defaults['entity_type'] = $defaults['_entity_list'];
     unset($defaults['_entity_list']);
@@ -90,14 +88,16 @@ protected function ehnanceEntityList(array $defaults, Request $request) {
    *
    * @param array $defaults
    *   The defaults to modify.
-   *
-   * @param Request $request
+   * @param \Symfony\Component\HttpFoundation\Request $request
    *   The Request instance.
    *
+   * @throws \RuntimeException
+   *   Thrown when an entity of a type cannot be found in a route.
+   *
    * @return array
    *   The modified defaults.
    */
-  protected function ehnanceEntityView(array $defaults, Request $request) {
+  protected function enhancEntityView(array $defaults, Request $request) {
     $defaults['_controller'] = '\Drupal\Core\Entity\Controller\EntityViewController::view';
     if (strpos($defaults['_entity_view'], '.') !== FALSE) {
       // The _entity_view entry is of the form entity_type.view_mode.