Update documentation to reflect change in a Preferences dialog label
Update documentation to reflect change in a Preferences dialog label

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