Fix typo (currenty) in documentation
Fix typo (currenty) in documentation

https://bugzilla.gnome.org/show_bug.cgi?id=747257

pvagner/orca,GNOME/orca,pvagner/orca,chrys87/orca-beep,chrys87/orca-beep,GNOME/orca,pvagner/orca,GNOME/orca,chrys87/orca-beep,chrys87/orca-beep,pvagner/orca,GNOME/orca