diff --git a/core/modules/migrate/src/Plugin/migrate/process/StrReplace.php b/core/modules/migrate/src/Plugin/migrate/process/StrReplace.php
index 81ce382..754570b 100644
--- a/core/modules/migrate/src/Plugin/migrate/process/StrReplace.php
+++ b/core/modules/migrate/src/Plugin/migrate/process/StrReplace.php
@@ -19,6 +19,7 @@
  * )
  *
  * To do a simple hardcoded string replace use the following:
+ *
  * @code
  *   field_text:
  *     plugin: str_replace
@@ -83,28 +84,28 @@
  * apply. This means that you can provide arrays as values.
  */
 class StrReplace extends ProcessPluginBase implements ContainerFactoryPluginInterface {
-  
+
   /**
    * Flag indicating whether there are multiple values.
    *
    * @var bool
    */
   protected $multiple;
-  
+
   /**
    * The migration.
    *
    * @var \Drupal\migrate\Plugin\MigrationInterface
    */
   protected $migration;
-  
+
   /**
    * The Migration Process Plugin Manager.
    *
    * @var \Drupal\migrate\Plugin\MigratePluginManager
    */
   protected $processPluginManager;
-  
+
   /**
    * Constructs a StrReplace plugin.
    *
@@ -124,7 +125,7 @@ public function __construct(array $configuration, $pluginId, $pluginDefinition,
     $this->migration = $migration;
     $this->processPluginManager = $process_plugin_manager;
   }
-  
+
   /**
    * {@inheritdoc}
    */
@@ -137,31 +138,30 @@ public static function create(ContainerInterface $container, array $configuratio
       $container->get('plugin.manager.migrate.process')
     );
   }
-  
+
   /**
    * {@inheritdoc}
    */
   public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property) {
     if (!isset($this->configuration['search'])) {
-      throw new MigrateException('search must be configured.');
+      throw new MigrateException('"search" must be configured.');
     }
     if (!isset($this->configuration['replace'])) {
-      throw new MigrateException('replace must be configured.');
+      throw new MigrateException('"replace" must be configured.');
     }
     $this->multiple = is_array($value);
     $function = "str_replace";
     if ($this->configuration['case_insensitive']) {
       $function = 'str_ireplace';
     }
-    $result = $function($this->configuration['search'], $this->configuration['replace'], $value);
-    return $result;
+    return $function($this->configuration['search'], $this->configuration['replace'], $value);
   }
-  
+
   /**
    * {@inheritdoc}
    */
   public function multiple() {
     return $this->multiple;
   }
-  
+
 }