diff --git a/src/applications/calendar/storage/PhabricatorCalendarEventTransaction.php b/src/applications/calendar/storage/PhabricatorCalendarEventTransaction.php
--- a/src/applications/calendar/storage/PhabricatorCalendarEventTransaction.php
+++ b/src/applications/calendar/storage/PhabricatorCalendarEventTransaction.php
@@ -254,11 +254,22 @@
         }
         return $text;
       case self::TYPE_RECURRING:
+        $text = pht('%s has made this event recurring.',
+          $this->renderHandleLink($author_phid));
+        return $text;
       case self::TYPE_FREQUENCY:
+        $text = pht('%s has made this event repeat %s.',
+          $this->renderHandleLink($author_phid),
+          $new);
+        return $text;
       case self::TYPE_RECURRENCE_END_DATE:
+        $text = pht('%s has changed the end date of event to %s.',
+          $this->renderHandleLink($author_phid),
+          $new);
+        return $text;
       case self::TYPE_INSTANCE_OF_EVENT:
       case self::TYPE_SEQUENCE_INDEX:
-        return pht('Recurring event has been updated');
+        return pht('Recurring event has been updated.');
     }
     return parent::getTitle();
   }
@@ -438,11 +449,25 @@
         }
         return $text;
       case self::TYPE_RECURRING:
+        $text = pht('%s added recurrence to %s.',
+          $this->renderHandleLink($author_phid),
+          $this->renderHandleLink($object_phid));
+        return $text;
       case self::TYPE_FREQUENCY:
+        $text = pht('%s changed the frequency of %s to %s.',
+          $this->renderHandleLink($author_phid),
+          $this->renderHandleLink($object_phid),
+          $new);
+        return $text;
       case self::TYPE_RECURRENCE_END_DATE:
+        $text = pht('%s changed the end date of %s to %s.',
+          $this->renderHandleLink($author_phid),
+          $this->renderHandleLink($object_phid),
+          $new);
+        return $text;
       case self::TYPE_INSTANCE_OF_EVENT:
       case self::TYPE_SEQUENCE_INDEX:
-        return pht('Recurring event has been updated');
+        return pht('Recurring event has been updated.');
     }
 
     return parent::getTitleForFeed();