diff --git a/lang/en_utf8/quiz.php b/lang/en_utf8/quiz.php
index 89d82b4e623..a3489b800a6 100644
--- a/lang/en_utf8/quiz.php
+++ b/lang/en_utf8/quiz.php
@@ -182,7 +182,7 @@ $string['feedback'] = 'Feedback';
 $string['file'] = 'File';
 $string['fileformat'] = 'File format';
 $string['fillcorrect'] = 'Fill with correct';
-$string['filloutoneanswer'] = 'You must fill out at least one possible answer.  Answers left blank will not be used.';
+$string['filloutoneanswer'] = 'You must fill out at least one possible answer.  Answers left blank will not be used. \'*\' can be used as a wildcard to match any characters. The first matching answer will be used to determine the score and feedback.';
 $string['filloutthreequestions'] = 'You must provide at least three questions with matching answers. You can provide extra wrong answers by giving an answer with a blank question. Entries where both the question and the answer are blank will be ignored. ';
 $string['fillouttwochoices'] = 'You must fill out at least two choices.  Choices left blank will not be used.';
 $string['finishattempt'] = 'Submit all and finish';