diff --git a/admin/tool/langimport/classes/event/langpack_imported.php b/admin/tool/langimport/classes/event/langpack_imported.php
index c8bd1497c76..59679296e2e 100644
--- a/admin/tool/langimport/classes/event/langpack_imported.php
+++ b/admin/tool/langimport/classes/event/langpack_imported.php
@@ -36,6 +36,7 @@ defined('MOODLE_INTERNAL') || die();
  * }
  *
  * @package    tool_langimport
+ * @since      Moodle 2.8
  * @copyright  2014 Dan Poltawski <dan@moodle.com>
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
diff --git a/admin/tool/langimport/classes/event/langpack_removed.php b/admin/tool/langimport/classes/event/langpack_removed.php
index 82e52701a29..e528da4afd5 100644
--- a/admin/tool/langimport/classes/event/langpack_removed.php
+++ b/admin/tool/langimport/classes/event/langpack_removed.php
@@ -36,6 +36,7 @@ defined('MOODLE_INTERNAL') || die();
  * }
  *
  * @package    tool_langimport
+ * @since      Moodle 2.8
  * @copyright  2014 Dan Poltawski <dan@moodle.com>
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
diff --git a/admin/tool/langimport/classes/event/langpack_updated.php b/admin/tool/langimport/classes/event/langpack_updated.php
index 4f0528f03af..b9d026aa9ee 100644
--- a/admin/tool/langimport/classes/event/langpack_updated.php
+++ b/admin/tool/langimport/classes/event/langpack_updated.php
@@ -36,6 +36,7 @@ defined('MOODLE_INTERNAL') || die();
  * }
  *
  * @package    tool_langimport
+ * @since      Moodle 2.8
  * @copyright  2014 Dan Poltawski <dan@moodle.com>
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
diff --git a/grade/report/singleview/lang/en/gradereport_singleview.php b/grade/report/singleview/lang/en/gradereport_singleview.php
index a4d354524da..2b5bd329f25 100644
--- a/grade/report/singleview/lang/en/gradereport_singleview.php
+++ b/grade/report/singleview/lang/en/gradereport_singleview.php
@@ -33,6 +33,7 @@ $string['exclude'] = 'Exclude';
 $string['excludeall'] = 'Exclude all grades';
 $string['excludefor'] = 'Exclude for {$a}';
 $string['excludenone'] = 'Exclude no grades';
+$string['eventgradereportviewed'] = 'Grade single view report viewed.';
 $string['feedbackfor'] = 'Feedback for {$a}';
 $string['filtergrades'] = 'Show grades for {$a}.';
 $string['gradefor'] = 'Grade for {$a}';