diff --git a/contextual_links_example/contextual_links_example.module b/contextual_links_example/contextual_links_example.module
index 6e8eb6f..48f635e 100644
--- a/contextual_links_example/contextual_links_example.module
+++ b/contextual_links_example/contextual_links_example.module
@@ -6,6 +6,7 @@
  *
  * @see https://www.drupal.org/docs/8/api/menu-api/providing-module-defined-contextual-links
  */
+
 /**
  * @defgroup contextual_links_example Example: Contextual Links
  * @ingroup examples
@@ -30,14 +31,16 @@
  * 1appearing on the frontend.
  *
  * @see https://www.drupal.org/docs/8/api/menu-api/providing-module-defined-contextual-links
- *  @endlink
- *
+ * @endlink
  */
+
 /**
  * Implements hook_theme().
+ *
  * Register a module or theme's theme implementations.The implementations
  * declared by this hook specify how a particular render array is to be
  * rendered as HTML.
+ *
  * @see https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Render!theme.api.php/function/hook_theme/8.2.x
  */
 function contextual_links_example_theme() {
@@ -58,6 +61,7 @@ function template_preprocess_contextual_links_example_entity(&$variables) {
   $variables['title'] = $variables['element']['#object']->titleContent();
   $variables['content'] = $variables['element']['#object']->bodyContent();
 }
+
 /**
  * @} End of "defgroup contextual_links_example Example: Contextual Links".
  */
diff --git a/contextual_links_example/src/Controller/CLEController.php b/contextual_links_example/src/Controller/CLEController.php
index 22eb20e..32f9079 100644
--- a/contextual_links_example/src/Controller/CLEController.php
+++ b/contextual_links_example/src/Controller/CLEController.php
@@ -5,12 +5,13 @@ namespace Drupal\contextual_links_example\Controller;
 use Drupal\contextual_links_example\Entity\CLEEntity;
 use Drupal\Core\Controller\ControllerBase;
 use Drupal\examples\Utility\DescriptionTemplateTrait;
+
 /**
  * Controller routines for contextual example routes.
  */
 class CLEController extends ControllerBase {
 
-use DescriptionTemplateTrait;
+  use DescriptionTemplateTrait;
 
   /**
    * {@inheritdoc}
@@ -18,6 +19,7 @@ use DescriptionTemplateTrait;
   protected function getModuleName() {
     return 'contextual_links_example';
   }
+
   /**
    * Returns a list of CLEEntity objects.
    */
@@ -28,10 +30,10 @@ use DescriptionTemplateTrait;
 
     // Create the renderable array for every CLEEntity.
     foreach ($entity_ids as $id) {
-      // To add a contextual link we need to provide the key #contextual_links.
-      /**
-       *@see \Drupal\contextual\Element\ContextualLinks.(.).
-      */
+      /* To add a contextual link we need to provide the key #contextual_links.
+       *
+       * @see \Drupal\contextual\Element\ContextualLinks.(.).
+       */
       $build[$id] = [
         '#theme' => 'contextual_links_example_entity',
         '#object' => new CLEEntity(['id' => $id], 'contextual_links_example_entity'),
diff --git a/contextual_links_example/src/Form/ContextualLinksExampleNodeActionForm.php b/contextual_links_example/src/Form/ContextualLinksExampleNodeActionForm.php
index 9c65019..7592ca3 100644
--- a/contextual_links_example/src/Form/ContextualLinksExampleNodeActionForm.php
+++ b/contextual_links_example/src/Form/ContextualLinksExampleNodeActionForm.php
@@ -11,6 +11,7 @@ use Drupal\node\NodeInterface;
  *
  * Creates a form action for the given node in context. Contains the needed
  * functions for the form and some helper functions.
+ *
  * @package Drupal\contextual_links_example\Form
  */
 class ContextualLinksExampleNodeActionForm extends FormBase {