Changes

A '''.ttb file''' is a program readable timetable file. It contains information about the [[Timetable Creation|timetable]] for a route. It is designed to be opened in [[About|Railway Operation Simulator]], however, it can also be opened and edited in [[ROS Timetable Editor]]

A '''.ttb file''' is a program readable timetable file. It contains information about the [[Timetable Creation|timetable]] for a route. It is designed to be opened in [[About|Railway Operation Simulator]], however, it can also be opened and edited in [[ROSTimetableEditor]]