diff --git a/README.md b/README.md
index c805da9..a0c8bcc 100755
--- a/README.md
+++ b/README.md
@@ -12,7 +12,8 @@ CONTENTS OF THIS FILE
 
 INTRODUCTION
 ------------
-This module integrates Owl Carousel, a touch enabled jQuery plugin that lets you create a beautiful, responsive carousel sliders.
+This module integrates Owl Carousel, a touch enabled jQuery plugin that
+lets you create a beautiful, responsive carousel sliders.
 
  * For a full description of the module visit:
    https://www.drupal.org/project/owlcarousel
@@ -66,7 +67,11 @@ INSTALLATION
  --------------------------
 
    * composer require 'drupal/owlcarousel:^2.0@RC'
-   * composer config repositories.owlcarousel2 '{"type":"package","package":{"name":"owlcarousel2/  owlcarousel2","version":"2.3.4","type":"drupal-library","dist":{"type":"zip","url":"https://github.com/OwlCarousel2/OwlCarousel2/archive/2.3.4.zip"}}}'
+   * composer config repositories.owlcarousel2
+     '{"type":"package","package":{"name":"owlcarousel2/
+       owlcarousel2","version":"2.3.4","type":"drupal-library",
+       "dist":{"type":"zip",
+       "url":"https://github.com/OwlCarousel2/OwlCarousel2/archive/2.3.4.zip"}}}'
    * composer require owlcarousel2/owlcarousel2
 
 
diff --git a/src/OwlCarouselGlobal.php b/src/OwlCarouselGlobal.php
index eed86f1..78045fb 100644
--- a/src/OwlCarouselGlobal.php
+++ b/src/OwlCarouselGlobal.php
@@ -27,7 +27,7 @@ class OwlCarouselGlobal {
       'itemsDesktop' => 1,
     ];
 
-    return isset($settings[$key]) ? $settings[$key] : $settings;
+    return $settings[$key] ?? $settings;
   }
 
   /**
diff --git a/src/Plugin/Field/FieldFormatter/OwlCarouselFieldFormatter.php b/src/Plugin/Field/FieldFormatter/OwlCarouselFieldFormatter.php
index e5b0ccf..fd99176 100755
--- a/src/Plugin/Field/FieldFormatter/OwlCarouselFieldFormatter.php
+++ b/src/Plugin/Field/FieldFormatter/OwlCarouselFieldFormatter.php
@@ -213,30 +213,30 @@ class OwlCarouselFieldFormatter extends EntityReferenceFormatterBase implements
     $dots = $this->getSetting('autoplayHoverPause') ? 'TRUE' : 'FALSE';
 
     $summary[] = $this->t('OwlCarousel settings summary.');
-    $summary[] = $this->t('Image style: ') . $this->getSetting('image_style');
-    $summary[] = $this->t('Link image to: ') . $this->getSetting('image_link') ?? $this->t('Nothing');
-    $summary[] = $this->t('Amount of items displayed: ') . $itemsdisplay;
-    $summary[] = $this->t('Margin from items: ') . $this->getSetting('margin') . 'px';
-    $summary[] = $this->t('Display next and prev buttons: ') . $nav;
-    $summary[] = $this->t('Autoplay: ') . $autoplay;
-    $summary[] = $this->t('Autoplay pause on mouse hover: ') . $autoplaypause;
-    $summary[] = $this->t('Loop: ') . $loop;
-    $summary[] = $this->t('Show dots: ') . $dots;
+    $summary[] = $this->t('Image style:') . ' ' . $this->getSetting('image_style');
+    $summary[] = $this->t('Link image to:') . ' ' . $this->getSetting('image_link') ?? $this->t('Nothing');
+    $summary[] = $this->t('Amount of items displayed:') . ' ' . $itemsdisplay;
+    $summary[] = $this->t('Margin from items:') . ' ' . $this->getSetting('margin') . 'px';
+    $summary[] = $this->t('Display next and prev buttons:') . ' ' . $nav;
+    $summary[] = $this->t('Autoplay:') . ' ' . $autoplay;
+    $summary[] = $this->t('Autoplay pause on mouse hover:') . ' ' . $autoplaypause;
+    $summary[] = $this->t('Loop:') . ' ' . $loop;
+    $summary[] = $this->t('Show dots:') . ' ' . $dots;
 
     if ($this->getSetting('dimensionMobile')) {
-      $summary[] = $this->t('Mobile dimensions: ') . $this->getSetting('dimensionMobile') . 'px';
+      $summary[] = $this->t('Mobile dimensions:') . ' ' . $this->getSetting('dimensionMobile') . 'px';
     }
 
     if ($this->getSetting('itemsMobile')) {
-      $summary[] = $this->t('Mobile items to show: ') . $this->getSetting('itemsMobile');
+      $summary[] = $this->t('Mobile items to show:') . ' ' . $this->getSetting('itemsMobile');
     }
 
     if ($this->getSetting('dimensionDesktop')) {
-      $summary[] = $this->t('Desktop dimensions: ') . $this->getSetting('dimensionDesktop') . 'px';
+      $summary[] = $this->t('Desktop dimensions:') . ' ' . $this->getSetting('dimensionDesktop') . 'px';
     }
 
     if ($this->getSetting('itemsDesktop')) {
-      $summary[] = $this->t('Desktop items to show: ') . $this->getSetting('itemsDesktop');
+      $summary[] = $this->t('Desktop items to show:') . ' ' . $this->getSetting('itemsDesktop');
     }
 
     return $summary;
@@ -306,7 +306,7 @@ class OwlCarouselFieldFormatter extends EntityReferenceFormatterBase implements
     $settings = $owlcarousel_default_settings;
     foreach ($settings as $k => $v) {
       $s = $this->getSetting($k);
-      $settings[$k] = isset($s) ? $s : $settings[$k];
+      $settings[$k] = $s ?? $settings[$k];
     }
     return [
       '#theme' => 'owlcarousel',