Update furthest-building-you-can-reach.py

Author: kamyu104

Python/furthest-building-you-can-reach.py

@@ -17,7 +17,7 @@ def furthestBuilding(self, heights, bricks, ladders):
             diff = heights[i+1]-heights[i]
             if diff > 0:
                 heapq.heappush(min_heap, diff)
-            if len(min_heap) <= ladders:  # ladders are reserved for top diffs
+            if len(min_heap) <= ladders:  # ladders are reserved for largest diffs
                 continue
             bricks -= heapq.heappop(min_heap)  # use bricks if ladders are not enough
             if bricks < 0:  # not enough bricks