Author: Andrew Nicols
MDL-71785 mod_quiz: Correct string as per reviewer feedback
http://git.moodle.org/gw?p=moodle.git;a=commit;h=e909b6ac53b4bf35256878455643f9f32c57c00f
http://github.com/moodle/moodle/commit/e909b6ac53b4bf35256878455643f9f32c57c00f
+ 3.10 en [sectionnoname,mod_quiz]