diff --git a/src/Form/ConfigForm.php b/src/Form/ConfigForm.php
index 927f219..1a7c032 100644
--- a/src/Form/ConfigForm.php
+++ b/src/Form/ConfigForm.php
@@ -58,10 +58,10 @@ class ConfigForm extends ConfigFormBase {
       '#description' => $this->t('Main class in nav tag of Breadcrumbs'),
     ];
     $form['disable_front_page_link'] = [
-        '#type' => 'checkbox',
-        '#title' => t('Hide front page link'),
-        '#default_value' => $config->get('disable_front_page_link'),
-        '#description' => t('Hide home(front) page link in breadcrumbs'),
+      '#type' => 'checkbox',
+      '#title' => t('Hide front page link'),
+      '#default_value' => $config->get('disable_front_page_link'),
+      '#description' => t('Hide home(front) page link in breadcrumbs'),
     ];
     return parent::buildForm($form, $form_state);
   }
diff --git a/src/Plugin/Block/WbPathBasedBreadcrumbBlock.php b/src/Plugin/Block/WbPathBasedBreadcrumbBlock.php
index 33cc9be..a8f6254 100644
--- a/src/Plugin/Block/WbPathBasedBreadcrumbBlock.php
+++ b/src/Plugin/Block/WbPathBasedBreadcrumbBlock.php
@@ -80,12 +80,12 @@ class WbPathBasedBreadcrumbBlock extends BlockBase implements ContainerFactoryPl
     $separator = $config->get('breadcrumb_separator');
     $main_class = $config->get('main_class');
     if (!empty($breadcrumb)) {
-      return array(
+      return [
         '#theme' => 'wb_breadcrumb',
         '#breadcrumb' => $breadcrumb,
         '#separator' => $separator,
         '#main_class' => $main_class,
-      );
+      ];
     }
   }
 
diff --git a/src/WbPathBasedBreadcrumbBuilder.php b/src/WbPathBasedBreadcrumbBuilder.php
index 297950c..342860d 100644
--- a/src/WbPathBasedBreadcrumbBuilder.php
+++ b/src/WbPathBasedBreadcrumbBuilder.php
@@ -76,10 +76,10 @@ class WbPathBasedBreadcrumbBuilder implements BreadcrumbBuilderInterface {
     $menu_name = $config->get('breadcrumb_menu');
     $parameters = $menu_tree->getCurrentRouteMenuTreeParameters($menu_name);
     $tree = $menu_tree->load($menu_name, $parameters);
-    $manipulators = array(
-      array('callable' => 'menu.default_tree_manipulators:checkAccess'),
-      array('callable' => 'menu.default_tree_manipulators:generateIndexAndSort'),
-    );
+    $manipulators = [
+      ['callable' => 'menu.default_tree_manipulators:checkAccess'],
+      ['callable' => 'menu.default_tree_manipulators:generateIndexAndSort'],
+    ];
     $tree = $menu_tree->transform($tree, $manipulators);
     $home_link = [Link::createFromRoute($this->t('Home'), '<front>')];
     //disable home page link if checkbox unchecked in breadcrumbs config
diff --git a/templates/wb-breadcrumb.html.twig b/templates/wb-breadcrumb.html.twig
index f219361..d518618 100644
--- a/templates/wb-breadcrumb.html.twig
+++ b/templates/wb-breadcrumb.html.twig
@@ -9,23 +9,23 @@
  * - separator: Separator between Breadcrumbs links.
  */
 #}
-    <nav class="{{ main_class }}">
-        <ol>
-            {% for item in breadcrumb %}
-                {% if loop.last %}
-                    <li>
-                        {{ item.text }}
-                    </li>
-                {% else %}
-                    <li>
-                        <a href="{{ item.url }}">{{ item.text }}</a>
-                    </li>
-                    {% if separator %}
+<nav class="{{ main_class }}">
+    <ol>
+        {% for item in breadcrumb %}
+            {% if loop.last %}
+                <li>
+                    {{ item.text }}
+                </li>
+            {% else %}
+                <li>
+                    <a href="{{ item.url }}">{{ item.text }}</a>
+                </li>
+                {% if separator %}
                     <li>
                         {{ separator|raw }}
                     </li>
-                    {% endif %}
                 {% endif %}
-            {% endfor %}
-        </ol>
-    </nav>
\ No newline at end of file
+            {% endif %}
+        {% endfor %}
+    </ol>
+</nav>
diff --git a/wb_breadcrumbs.module b/wb_breadcrumbs.module
index d36c8a2..0c0e80e 100644
--- a/wb_breadcrumbs.module
+++ b/wb_breadcrumbs.module
@@ -1,12 +1,42 @@
 <?php
 
+/**
+ * @file
+ * Describe action in this file.
+ */
+
+use Drupal\Core\Routing\RouteMatchInterface;
 use Drupal\Core\Template\Attribute;
+use Drupal\Core\Url;
+
+/**
+ * Implements hook_help().
+ */
+function toolbar_menu_help($route_name, RouteMatchInterface $route_match) {
+  switch ($route_name) {
+    case 'help.page.toolbar_menu':
+      $output = '';
+      $output .= '<h3>' . t('About') . '</h3>';
+      $output .= '<p>' . t('Describe what the module in general');
+      $output .= '<h3>' . t('Usage') . '</h3>';
+      $output .= '<ul>';
+      $output .= '<li>' . t('The list of actions to perform to parameterize it need?') . '</li>';
+      $output .= '</ul>';
+      return $output;
+  }
+}
 
-function wb_breadcrumbs_theme()
-{
+/**
+ * Implements hook_theme().
+ */
+function wb_breadcrumbs_theme() {
   return [
     'wb_breadcrumb' => [
-      'variables' => ['breadcrumb' => NULL, 'separator' => NULL, 'main_class' => NULL],
+      'variables' => [
+        'breadcrumb' => NULL,
+        'separator' => NULL,
+        'main_class' => NULL
+      ],
     ],
   ];
 }