Original sentence: Hiking a long-distance trail from end to end is also referred to as trekking and as thru-hiking in some places, for example on the Appalachian Trail
Edited sentence: Hiking a long-distance trail from end-to-end is also referred to as trekking and as thru-hiking in some places, for example on the Appalachian Trail (AT) or Long Trail (LT) in Vermont.The Long Trail is the oldest long-distance hiking trail in the United States