diff --git a/mod/assign/templates/grading_navigation_user_summary.mustache b/mod/assign/templates/grading_navigation_user_summary.mustache
index f9032b38047..78a84276655 100644
--- a/mod/assign/templates/grading_navigation_user_summary.mustache
+++ b/mod/assign/templates/grading_navigation_user_summary.mustache
@@ -29,7 +29,7 @@
     * id, courseid, all fields from mod_assign_list_participants
 
     Example context (json):
-    { 
+    {
         "id": "5",
         "fullname": "Mr T",
         "hasidentity": true,