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Update article.md

"continues to closest" -> "continues to next closest". Consistent w/ usage in rest of explanation.
P
Peter Roche committed
58205b3dfd6d463bd02cb8259c8f3942f36c5408
Parent: c8b717e
Committed by GitHub <noreply@github.com> on 1/29/2020, 7:07:49 AM