Docstring nit.
diff --git a/Lib/heapq.py b/Lib/heapq.py
index 0f67236..39e3800 100644
--- a/Lib/heapq.py
+++ b/Lib/heapq.py
@@ -311,7 +311,7 @@
def merge(*iterables):
'''Merge multiple sorted inputs into a single sorted output.
- Similar to sorted(itertools.chain(*iterables)) but returns an iterable,
+ Similar to sorted(itertools.chain(*iterables)) but returns a generator,
does not pull the data into memory all at once, and assumes that each of
the input streams is already sorted (smallest to largest).