diff --git a/mod/survey/lang/en/survey.php b/mod/survey/lang/en/survey.php
index ea1fbb640441d..028ca08b2bc3b 100644
--- a/mod/survey/lang/en/survey.php
+++ b/mod/survey/lang/en/survey.php
@@ -256,4 +256,4 @@
 $string['time'] = 'Time';
 $string['viewsurveyresponses'] = 'View {$a} survey responses';
 $string['notyetanswered'] = 'Not yet answered';
-$string['allquestionrequireanswer'] = 'All questions are required and must be answered';
+$string['allquestionrequireanswer'] = 'All questions are required and must be answered.';