diff --git a/public/course/templates/activity_navigation.mustache b/public/course/templates/activity_navigation.mustache
index d48a9faabf9..e3e540babf6 100644
--- a/public/course/templates/activity_navigation.mustache
+++ b/public/course/templates/activity_navigation.mustache
@@ -64,7 +64,7 @@
         }
     }
 }}
-<div class="mt-5 mb-1 activity-navigation container-fluid">
+<nav class="mt-5 mb-1 activity-navigation container-fluid" aria-label="{{#str}}activitynavigation, course{{/str}}">
 {{< core/columns-1to1to1}}
     {{$column1}}
         <div class="float-start">
@@ -82,4 +82,4 @@
         </div>
     {{/column3}}
 {{/ core/columns-1to1to1}}
-</div>
+</nav>
diff --git a/public/lang/en/course.php b/public/lang/en/course.php
index c6c32124742..96f27e10d94 100644
--- a/public/lang/en/course.php
+++ b/public/lang/en/course.php
@@ -33,6 +33,7 @@ $string['activitydate:closes'] = 'Closes:';
 $string['activitydate:opened'] = 'Opened:';
 $string['activitydate:opens'] = 'Opens:';
 $string['activitylink'] = 'Permalink';
+$string['activitynavigation'] = 'Activity navigation';
 $string['addselectedactivity'] = 'Add selected activity';
 $string['aria:coursecategory'] = 'Course category';
 $string['aria:courseshortname'] = 'Course short name';