Author: Andrew Davis
message MDL-24562 improved a string
http://git.moodle.org/gw?p=moodle.git;a=commit;h=2b4c531a6eddf5b1df5cca89624952300d2777f1
http://github.com/moodle/moodle/commit/2b4c531a6eddf5b1df5cca89624952300d2777f1
+ 2.0 en [configjabberhost,core_admin]