diff --git a/contextual_links_example/contextual_links_example.module b/contextual_links_example/contextual_links_example.module
index 48f635e..6ca164d 100644
--- a/contextual_links_example/contextual_links_example.module
+++ b/contextual_links_example/contextual_links_example.module
@@ -31,7 +31,6 @@
  * 1appearing on the frontend.
  *
  * @see https://www.drupal.org/docs/8/api/menu-api/providing-module-defined-contextual-links
- * @endlink
  */
 
 /**
diff --git a/contextual_links_example/src/Storage/CLEStorage.php b/contextual_links_example/src/Storage/CLEStorage.php
index 403ed1f..4a1e4d8 100644
--- a/contextual_links_example/src/Storage/CLEStorage.php
+++ b/contextual_links_example/src/Storage/CLEStorage.php
@@ -114,4 +114,11 @@ class CLEStorage implements EntityStorageInterface {
     // TODO: Implement getEntityType() method.
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function hasData() {
+    // TODO: Implement hasData() method.
+  }
+
 }