Original sentence: Five months later on June 3 the High Court announced its historic decision, namely overturning the legal state of terra nullius - ('no-mans land') which is a modern term applied to the attitude of the British towards land ownership on the continent of Australia
Edited sentence: Five months later on June 3 the High Court announced its historic decision, namely overturning the legal fiction of terra nullius - ('no-mans land') which is a modern term applied to the attitude of the British towards land ownership on the continent of Australia