Author: Damyon Wiese
MDL-37935: Cache - fix spelling mistake in language string
http://git.moodle.org/gw?p=moodle.git;a=commit;h=775eeb1ac2c73645251c1b5ea3e35f4803d5f37c
http://github.com/moodle/moodle/commit/775eeb1ac2c73645251c1b5ea3e35f4803d5f37c
+ 2.5 en [storerequiresattention,core_cache]