Fixup docstrings for merge().
diff --git a/Lib/heapq.py b/Lib/heapq.py
index 5d41425..0f67236 100644
--- a/Lib/heapq.py
+++ b/Lib/heapq.py
@@ -312,8 +312,8 @@
     '''Merge multiple sorted inputs into a single sorted output.
 
     Similar to sorted(itertools.chain(*iterables)) but returns an iterable,
-    does not pull the data into memory all at once, and reduces the number
-    of comparisons by assuming that each of the input streams is already sorted.
+    does not pull the data into memory all at once, and assumes that each of
+    the input streams is already sorted (smallest to largest).
 
     >>> list(merge([1,3,5,7], [0,2,4,8], [5,10,15,20], [], [25]))
     [0, 1, 2, 3, 4, 5, 5, 7, 8, 10, 15, 20, 25]