diff --git a/src/Entity/Paragraph.php b/src/Entity/Paragraph.php
index 6718733..a021c58 100644
--- a/src/Entity/Paragraph.php
+++ b/src/Entity/Paragraph.php
@@ -441,13 +441,13 @@ class Paragraph extends ContentEntityBase implements ParagraphInterface, EntityN
   /**
    * {@inheritdoc}
    */
-  public function getSummary($options = []) {
+  public function getSummary(array $options = []) {
     $allowed_bundles = isset($options['allowed_bundles']) ? $options['allowed_bundles'] : NULL;
     $show_behavior_summary = isset ($options['show_behavior_summary']) ? $options['show_behavior_summary'] : TRUE;
     $summary = [];
     $this->summaryCount = 0;
 
-    if ($this->bundle() !== NULL && (is_array($allowed_bundles) && !in_array($this->bundle(), $allowed_bundles))) {
+    if ($this->bundle() !== NULL && is_array($allowed_bundles) && !in_array($this->bundle(), $allowed_bundles)) {
       return '';
     }
 
@@ -562,7 +562,7 @@ class Paragraph extends ContentEntityBase implements ParagraphInterface, EntityN
    * @return string
    *   Short summary for nested paragraphs type.
    */
-  protected function getNestedSummary($field_name, $options) {
+  protected function getNestedSummary($field_name, array $options) {
     $summary = [];
     $summary_count = 0;
     foreach ($this->{$field_name}->getValue() as $value) {
diff --git a/src/ParagraphInterface.php b/src/ParagraphInterface.php
index 937df01..728bb3c 100644
--- a/src/ParagraphInterface.php
+++ b/src/ParagraphInterface.php
@@ -24,12 +24,12 @@ interface ParagraphInterface extends ContentEntityInterface, EntityOwnerInterfac
   /**
    * Returns short summary for paragraph.
    *
-   * @param array|null $options
+   * @param array $options
    *   Array of paragraph options.
    *
    * @return string
    *   The text without tags.
    */
-  public function getSummary($options = []);
+  public function getSummary(array $options = []);
 
 }