diff --git a/src/Entity/HelpTopic.php b/src/Entity/HelpTopic.php
index daa019a..f1eb1a5 100644
--- a/src/Entity/HelpTopic.php
+++ b/src/Entity/HelpTopic.php
@@ -372,7 +372,7 @@ class HelpTopic extends ConfigEntityBase implements HelpTopicInterface {
 
     $chunks = [];
     foreach ($node->childNodes as $node) {
-      switch($node->nodeType) {
+      switch ($node->nodeType) {
         case XML_ELEMENT_NODE:
           if (!$node->hasChildNodes()) {
             // It's an empty element, so just add it to the prefix for the
diff --git a/src/Form/HelpTopicForm.php b/src/Form/HelpTopicForm.php
index 7c72e38..b62b22f 100644
--- a/src/Form/HelpTopicForm.php
+++ b/src/Form/HelpTopicForm.php
@@ -9,7 +9,6 @@ use Drupal\Core\Entity\EntityInterface;
 use Drupal\Core\Entity\EntityTypeManagerInterface;
 use Drupal\Core\Extension\ModuleHandlerInterface;
 use Drupal\Core\Extension\ThemeHandlerInterface;
-use Drupal\Core\Field\FieldStorageDefinitionInterface;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Language\LanguageInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
diff --git a/src/HelpTopicInterface.php b/src/HelpTopicInterface.php
index 80b669d..93ff7f5 100644
--- a/src/HelpTopicInterface.php
+++ b/src/HelpTopicInterface.php
@@ -25,7 +25,8 @@ interface HelpTopicInterface extends ConfigEntityInterface {
    * @param string $body
    *   The HTML-formatted body to save in the topic.
    *
-   * @throws \Drupal\Core\Config\ConfigValueException if the HTML is malformed.
+   * @throws \Drupal\Core\Config\ConfigValueException
+   *   If the HTML is malformed.
    */
   public function setBody($body);