diff --git a/admin_toolbar.info.yml b/admin_toolbar.info.yml
index 1d6729b..d03df26 100644
--- a/admin_toolbar.info.yml
+++ b/admin_toolbar.info.yml
@@ -1,8 +1,8 @@
 name: Admin Toolbar
 core: 8.x
-description: Admin Toolbar improve the default Drupal Toolbar,it lets the hover of sub menus.
+description: Admin Toolbar improve the default Drupal Toolbar, it lets the hover of sub menus.
 package: Administration
 type: module
 dependencies:
   - toolbar
-  - node
\ No newline at end of file
+  - node
diff --git a/admin_toolbar.libraries.yml b/admin_toolbar.libraries.yml
index d8b8130..98607e0 100644
--- a/admin_toolbar.libraries.yml
+++ b/admin_toolbar.libraries.yml
@@ -2,4 +2,5 @@ toolbar.tree:
   version: VERSION
   css:
     theme:
-      css/admin.toolbar.css: {}
\ No newline at end of file
+      css/admin.toolbar.css: {}
+      
\ No newline at end of file
diff --git a/admin_toolbar.module b/admin_toolbar.module
index cd57c20..95d7fcc 100644
--- a/admin_toolbar.module
+++ b/admin_toolbar.module
@@ -1,12 +1,21 @@
 <?php
+
+/**
+ * @file
+ * Module file for admin_toolbar.
+ */
+
 use Drupal\Core\Menu\MenuTreeParameters;
+
 /**
  *  Implements hook_toolbar_alter().
  */
+
 function admin_toolbar_toolbar_alter(&$items) {
   $items['administration']['tray']['toolbar_administration']['#pre_render'] = array('admin_toolbar_prerender_toolbar_administration_tray');
   $items['administration']['#attached']['library'][] = 'admin_toolbar/toolbar.tree';
 }
+
 /**
  * Renders the toolbar's administration tray.
  * This is a clone of core's toolbar_prerender_toolbar_administration_tray()
@@ -19,6 +28,7 @@ function admin_toolbar_toolbar_alter(&$items) {
  *
  * @see toolbar_prerender_toolbar_administration_tray()
  */
+
 function admin_toolbar_prerender_toolbar_administration_tray(array $element) {
   $menu_tree = \Drupal::service('toolbar.menu_tree');
   $parameters = new MenuTreeParameters();