diff -u b/content_entity_example/lib/Drupal/content_entity_example/Entity/Form/ContentEntityExampleFormController.php b/content_entity_example/lib/Drupal/content_entity_example/Entity/Form/ContentEntityExampleFormController.php
--- b/content_entity_example/lib/Drupal/content_entity_example/Entity/Form/ContentEntityExampleFormController.php
+++ b/content_entity_example/lib/Drupal/content_entity_example/Entity/Form/ContentEntityExampleFormController.php
@@ -19,7 +19,7 @@
   /**
    * Overrides Drupal\Core\Entity\EntityFormController::buildForm().
    */
-  public function builForm(array $form, array &$form_state) {
+  public function buildForm(array $form, array &$form_state) {
     /* @var $entity \Drupal\content_entity_example\Entity\ContentEntityExample */
     $form = parent::form($form, $form_state);
     $entity = $this->entity;