Author: Andrew Nicols
MDL-71785 mod_quiz: Correct string as per reviewer feedback
http://git.moodle.org/gw?p=moodle.git;a=commit;h=0869496eb8af12e53f93e94b3faf3aab00808209
http://github.com/moodle/moodle/commit/0869496eb8af12e53f93e94b3faf3aab00808209
+ 4.0 en [sectionnoname,mod_quiz]