diff --git a/src/applications/phurl/storage/PhabricatorPhurlURLTransaction.php b/src/applications/phurl/storage/PhabricatorPhurlURLTransaction.php
index 79088838b2..0c00c67f2d 100644
--- a/src/applications/phurl/storage/PhabricatorPhurlURLTransaction.php
+++ b/src/applications/phurl/storage/PhabricatorPhurlURLTransaction.php
@@ -1,191 +1,194 @@
 <?php
 
 final class PhabricatorPhurlURLTransaction
   extends PhabricatorApplicationTransaction {
 
   const TYPE_NAME = 'phurl.name';
   const TYPE_URL = 'phurl.longurl';
   const TYPE_DESCRIPTION = 'phurl.description';
 
+  const MAILTAG_CONTENT = 'phurl:content';
+  const MAILTAG_OTHER = 'phurl:other';
+
   public function getApplicationName() {
     return 'phurl';
   }
 
   public function getApplicationTransactionType() {
     return PhabricatorPhurlURLPHIDType::TYPECONST;
   }
 
   public function getApplicationTransactionCommentObject() {
     return new PhabricatorPhurlURLTransactionComment();
   }
 
   public function getRequiredHandlePHIDs() {
     $phids = parent::getRequiredHandlePHIDs();
 
     switch ($this->getTransactionType()) {
       case self::TYPE_NAME:
       case self::TYPE_URL:
       case self::TYPE_DESCRIPTION:
         $phids[] = $this->getObjectPHID();
         break;
     }
 
     return $phids;
   }
 
   public function shouldHide() {
     $old = $this->getOldValue();
     switch ($this->getTransactionType()) {
       case self::TYPE_DESCRIPTION:
         return ($old === null);
     }
     return parent::shouldHide();
   }
 
   public function getIcon() {
     switch ($this->getTransactionType()) {
       case self::TYPE_NAME:
       case self::TYPE_URL:
       case self::TYPE_DESCRIPTION:
         return 'fa-pencil';
         break;
     }
     return parent::getIcon();
   }
 
   public function getTitle() {
     $author_phid = $this->getAuthorPHID();
     $object_phid = $this->getObjectPHID();
 
     $old = $this->getOldValue();
     $new = $this->getNewValue();
 
     $type = $this->getTransactionType();
     switch ($type) {
       case self::TYPE_NAME:
         if ($old === null) {
           return pht(
             '%s created this URL.',
             $this->renderHandleLink($author_phid));
         } else {
           return pht(
             '%s changed the name of the URL from %s to %s.',
             $this->renderHandleLink($author_phid),
             $old,
             $new);
         }
       case self::TYPE_URL:
         return pht(
           '%s changed the destination of the URL from %s to %s.',
           $this->renderHandleLink($author_phid),
           $old,
           $new);
       case self::TYPE_DESCRIPTION:
         return pht(
           "%s updated the URL's description.",
           $this->renderHandleLink($author_phid));
     }
     return parent::getTitle();
   }
 
   public function getTitleForFeed() {
     $author_phid = $this->getAuthorPHID();
     $object_phid = $this->getObjectPHID();
 
     $old = $this->getOldValue();
     $new = $this->getNewValue();
 
     $viewer = $this->getViewer();
 
     $type = $this->getTransactionType();
     switch ($type) {
       case self::TYPE_NAME:
         if ($old === null) {
           return pht(
             '%s created %s.',
             $this->renderHandleLink($author_phid),
             $this->renderHandleLink($object_phid));
         } else {
           return pht(
             '%s changed the name of %s from %s to %s.',
             $this->renderHandleLink($author_phid),
             $this->renderHandleLink($object_phid),
             $old,
             $new);
         }
       case self::TYPE_URL:
         if ($old === null) {
           return pht(
             '%s created %s.',
             $this->renderHandleLink($author_phid),
             $this->renderHandleLink($object_phid));
         } else {
           return pht(
             '%s changed the destination of %s from %s to %s',
             $this->renderHandleLink($author_phid),
             $this->renderHandleLink($object_phid),
             $old,
             $new);
         }
       case self::TYPE_DESCRIPTION:
         return pht(
           '%s updated the description of %s.',
           $this->renderHandleLink($author_phid),
           $this->renderHandleLink($object_phid));
     }
 
     return parent::getTitleForFeed();
   }
 
   public function getColor() {
     $old = $this->getOldValue();
     $new = $this->getNewValue();
 
     switch ($this->getTransactionType()) {
       case self::TYPE_NAME:
       case self::TYPE_URL:
       case self::TYPE_DESCRIPTION:
         return PhabricatorTransactions::COLOR_GREEN;
     }
 
     return parent::getColor();
   }
 
 
   public function hasChangeDetails() {
     switch ($this->getTransactionType()) {
       case self::TYPE_DESCRIPTION:
         return ($this->getOldValue() !== null);
     }
 
     return parent::hasChangeDetails();
   }
 
   public function renderChangeDetails(PhabricatorUser $viewer) {
     switch ($this->getTransactionType()) {
       case self::TYPE_DESCRIPTION:
         $old = $this->getOldValue();
         $new = $this->getNewValue();
 
         return $this->renderTextCorpusChangeDetails(
           $viewer,
           $old,
           $new);
     }
 
     return parent::renderChangeDetails($viewer);
   }
 
   public function getMailTags() {
     $tags = array();
     switch ($this->getTransactionType()) {
       case self::TYPE_NAME:
       case self::TYPE_DESCRIPTION:
       case self::TYPE_URL:
         $tags[] = self::MAILTAG_CONTENT;
         break;
     }
     return $tags;
   }
 
 }