Fix typos in DocBlock comments

Author: akiojalehto

app/code/Magento/Newsletter/Helper/Data.php

@@ -27,7 +27,7 @@ public function __construct(\Magento\Framework\UrlInterface $frontendUrlBuilder)
     }
 
     /**
-     * Retrieve subsription confirmation url
+     * Retrieve subscription confirmation url
      *
      * @param \Magento\Newsletter\Model\Subscriber $subscriber
      * @return string
@@ -43,7 +43,7 @@ public function getConfirmationUrl($subscriber)
     }
 
     /**
-     * Retrieve unsubsription url
+     * Retrieve unsubscription url
      *
      * @param \Magento\Newsletter\Model\Subscriber $subscriber
      * @return string

app/code/Magento/Newsletter/Model/ResourceModel/Problem/Collection.php

@@ -176,7 +176,7 @@ protected function _addCustomersData()
     }
 
     /**
-     * Loads collecion and adds customers info
+     * Loads collection and adds customers info
      *
      * @param bool $printQuery
      * @param bool $logQuery

app/code/Magento/Newsletter/Model/ResourceModel/Queue/Collection.php

@@ -70,7 +70,7 @@ protected function _construct()
     }
 
     /**
-     * Joines templates information
+     * Joins templates information
      *
      * @return $this
      */
@@ -86,7 +86,7 @@ public function addTemplateInfo()
     }
 
     /**
-     * Adds subscribers info to selelect
+     * Adds subscribers info to select
      *
      * @return $this
      */
@@ -130,7 +130,7 @@ public function load($printQuery = false, $logQuery = false)
     }
 
     /**
-     * Joines subscribers information
+     * Joins subscribers information
      *
      * @return $this
      */
@@ -142,7 +142,7 @@ public function addSubscribersInfo()
 
     /**
      * Checks if field is 'subscribers_total', 'subscribers_sent'
-     * to add specific filter or adds reguler filter
+     * to add specific filter or adds regular filter
      *
      * @param string $field
      * @param null|string|array $condition