Add Ability To Separate Frontend / Adminhtml in New Relic

 - Minor improvements

Author: ishakhsuvarov

app/code/Magento/NewRelicReporting/Model/Config.php

@@ -5,6 +5,9 @@
  */
 namespace Magento\NewRelicReporting\Model;
 
+/**
+ * NewRelic configuration model
+ */
 class Config
 {
     /**#@+

app/code/Magento/NewRelicReporting/Plugin/StatePlugin.php

@@ -52,7 +52,7 @@ public function __construct(
      * Set separate appname
      *
      * @param State $subject
-     * @param null $result
+     * @param mixed $result
      * @return mixed
      */
     public function afterSetAreaCode(State $subject, $result)
@@ -72,6 +72,8 @@ public function afterSetAreaCode(State $subject, $result)
     }
 
     /**
+     * Format appName.
+     *
      * @param State $state
      * @return string
      * @throws LocalizedException