Author: Dan Poltawski
MDL-32299 quiz mod_form: fix help string typo
http://git.moodle.org/gw?p=moodle.git;a=commit;h=44d70cc7539fd7bfea1ff125f3ca3d4e33b224d1
http://github.com/moodle/moodle/commit/44d70cc7539fd7bfea1ff125f3ca3d4e33b224d1
+ 2.3 en [rightanswer_help,core_question]