Author: Gerard (Gerry) Caulfield
MDL-31107 Fixing instaces of below where it is written as bellow (two L's)
http://git.moodle.org/gw?p=moodle.git;a=commit;h=ce8df92df18846e1cdba62e760fb72760c9978eb
http://github.com/moodle/moodle/commit/ce8df92df18846e1cdba62e760fb72760c9978eb
+ 2.3 en [printintroexplain,mod_url]