diff --git a/mod/quiz/lang/en/quiz.php b/mod/quiz/lang/en/quiz.php
index 9546ea088fe..5f0eb1edd57 100644
--- a/mod/quiz/lang/en/quiz.php
+++ b/mod/quiz/lang/en/quiz.php
@@ -95,6 +95,7 @@ $string['attemptlast'] = 'Last attempt';
 $string['attemptnumber'] = 'Attempt';
 $string['attemptquiznow'] = 'Attempt quiz now';
 $string['attempts'] = 'Attempts';
+$string['attempts_help'] = 'The total number of attempts allowed (not the number of extra attempts).';
 $string['attemptsallowed'] = 'Attempts allowed';
 $string['attemptsdeleted'] = 'Quiz attempts deleted';
 $string['attemptselection'] = 'Select which attempts to analyze per user:';
diff --git a/mod/quiz/override_form.php b/mod/quiz/override_form.php
index d97eea29617..695f82c668f 100644
--- a/mod/quiz/override_form.php
+++ b/mod/quiz/override_form.php
@@ -200,6 +200,7 @@ class quiz_override_form extends moodleform {
         }
         $mform->addElement('select', 'attempts',
                 get_string('attemptsallowed', 'quiz'), $attemptoptions);
+        $mform->addHelpButton('attempts', 'attempts', 'quiz');
         $mform->setDefault('attempts', $this->quiz->attempts);
 
         // Submit buttons.