diff --git a/Lib/multiprocessing/heap.py b/Lib/multiprocessing/heap.py
index 4e93c12..e63fdb8 100644
--- a/Lib/multiprocessing/heap.py
+++ b/Lib/multiprocessing/heap.py
@@ -21,7 +21,7 @@
 __all__ = ['BufferWrapper']
 
 #
-# Inheirtable class which wraps an mmap, and from which blocks can be allocated
+# Inheritable class which wraps an mmap, and from which blocks can be allocated
 #
 
 if sys.platform == 'win32':