Author: Marina Glancy
MDL-27754 fixed typo in language string
http://git.moodle.org/gw?p=moodle.git;a=commit;h=e29521960daf283283b106a1763760faf4031c48
http://github.com/moodle/moodle/commit/e29521960daf283283b106a1763760faf4031c48
+ 2.0 en [feedbackfromteacher,mod_assignment]