diff --git a/renderer.php b/renderer.php
index b66767a..125d245 100644
--- a/renderer.php
+++ b/renderer.php
@@ -1017,7 +1017,7 @@ class mod_attendance_renderer extends plugin_renderer_base {
                 $o .= html_writer::div("<h3>".get_string('graded', 'mod_attendance')."</h3>");
             }
             if (!empty($table->data)) {
-                // don't bother printing the table if no sessions are being shown.
+                // Don't bother printing the table if no sessions are being shown.
                 $o .= html_writer::table($table);
             }