diff --git a/grade/report/grader/lang/en/gradereport_grader.php b/grade/report/grader/lang/en/gradereport_grader.php
index 6f7f0127116..d9bdd232a49 100644
--- a/grade/report/grader/lang/en/gradereport_grader.php
+++ b/grade/report/grader/lang/en/gradereport_grader.php
@@ -45,7 +45,7 @@ $string['privacy:metadata:preference:grade_report_showranges'] = 'Whether to dis
 $string['privacy:metadata:preference:grade_report_showuserimage'] = 'Whether to show the user\'s profile image next to the name';
 $string['privacy:metadata:preference:grade_report_studentsperpage'] = 'The number of students displayed per page in the grader report';
 $string['privacy:request:preference:grade_report_grader_collapsed_categories'] = 'You have some gradebook categories collapsed in the "{$a->name}" course';
-$string['reopencolumn'] = 'Expand column';
+$string['reopencolumn'] = 'Expand column {$a}';
 $string['summarygrader'] = 'A table with the names of students in the first column, with assessable activities grouped by course and category across the top.';
 $string['useractivitygrade'] = '{$a} grade';
 $string['overriddengrade'] = 'Overridden grade';