Original sentence: John C Wells observed that the accents of Leeds and Manchester are extremely similar despite the historic divide between the two sides of the Pennines.The dialect itself differs from other Northern English dialects.The dialect may have originally developed from the old Lancastrian dialects and could have been affected by the vast influx of immigrants introduced to the city during the Industrial Revolution, when the cities of Salford and Manchester became a port due to the building of the Manchester Ship Canal.This is most noticeable with words ending in <er> such as tenner.the same way as Mancunians, and the two accents are not always distinguishable
Edited sentence: A major feature of the Mancunian accent is the over-enunciation of vowel sounds when compared to the flattened sounds of neighbouring areas.He found them to be similar despite the historic divide between the two sides of the Pennines.John C Wells' observed the accents of Leeds and Manchester.The Mancunian dialect may have originally developed from the old Lancastrian dialects and could have been affected by the vast influx of immigrants introduced to the city during the Industrial Revolution, when the cities of Salford and Manchester became a port due to the building of the Manchester Ship Canal.The dialect is distinguishable from other Northern English dialects.This is also noticeable with words ending in <er> such as tenner.the same way as Mancunians, and the two accents are not always distinguishable to non-locals