Original sentence: It was not until the accession of the Normandized kings of Scotland in the twelfth century that Scots began to displace Gaelic in the Lowlands, due to the establishing of burgh towns in the Lowlands
Edited sentence: It was not until the accession of the Normandized kings of Scotland in the twelfth century that Scots began to displace Gaelic in the Lowlands, due to the plantation of the Lowlands with burgh towns