Author: David Mudrak
Fixed trivial typo in a string
http://git.moodle.org/gw?p=moodle.git;a=commit;h=19414fa47b38b0fb81246edef4eb912972d37d86
http://github.com/moodle/moodle/commit/19414fa47b38b0fb81246edef4eb912972d37d86
+ 2.0 en [moreresults,core_backup]