diff --git a/calendar/classes/external/footer_options_exporter.php b/calendar/classes/external/footer_options_exporter.php
index cdd78c39fe4..4fab40fff70 100644
--- a/calendar/classes/external/footer_options_exporter.php
+++ b/calendar/classes/external/footer_options_exporter.php
@@ -14,17 +14,8 @@
 // You should have received a copy of the GNU General Public License
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 
-/**
- * Class for exporting calendar footer view options data.
- *
- * @package    core_calendar
- * @copyright  2017 Simey Lameze <simey@moodle.com>
- * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
 namespace core_calendar\external;
 
-defined('MOODLE_INTERNAL') || die();
-
 use core\external\exporter;
 use renderer_base;
 use stdClass;
@@ -33,6 +24,7 @@ use moodle_url;
 /**
  * Class for exporting calendar footer view options data.
  *
+ * @package    core_calendar
  * @copyright  2017 Simey Lameze
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
@@ -102,7 +94,7 @@ class footer_options_exporter extends exporter {
 
         if ($this->showfullcalendarlink) {
             if ($this->calendar->courseid !== SITEID) {
-                $linkname = get_string('coursecalendar', 'calendar', 'Course');
+                $linkname = get_string('coursecalendarlink', 'calendar');
             } else {
                 $linkname = get_string('fullcalendar', 'calendar');
             }
diff --git a/lang/en/calendar.php b/lang/en/calendar.php
index ebff78538aa..5846cd1254d 100644
--- a/lang/en/calendar.php
+++ b/lang/en/calendar.php
@@ -48,10 +48,10 @@ $string['confirmsubscriptiondelete'] = 'Are you sure you want to delete the "{$a
 $string['copycalendarurl'] = 'Copy calendar URL';
 $string['copyurl'] = 'Copy URL';
 $string['course'] = 'Course';
+$string['coursecalendarlink'] = 'Course calendar';
 $string['courseevent'] = 'Course event';
 $string['courseevents'] = 'Course events';
 $string['categoryevents'] = 'Category events';
-$string['coursecalendar'] = '{$a} calendar';
 $string['courses'] = 'Courses';
 $string['customexport'] = 'Custom range ({$a->timestart} - {$a->timeend})';
 $string['daily'] = 'Daily';
@@ -284,3 +284,6 @@ $string['whendate'] = 'When: {$a}';
 $string['yesterday'] = 'Yesterday';
 $string['youcandeleteallrepeats'] = 'This event is part of a repeating event series. You can delete this event only, or all {$a} events in the series at once.';
 $string['yoursubscriptions'] = 'Imported calendars';
+
+// Deprecated since Moodle 4.4.
+$string['coursecalendar'] = '{$a} calendar';
diff --git a/lang/en/deprecated.txt b/lang/en/deprecated.txt
index 7a186215d14..6c5809b817e 100644
--- a/lang/en/deprecated.txt
+++ b/lang/en/deprecated.txt
@@ -127,3 +127,4 @@ aria:dropdowngrades,core_grades
 viewresults,core
 coursesearch,core
 coursesearch_help,core
+coursecalendar,core_calendar