diff --git a/Doc/library/multiprocessing.rst b/Doc/library/multiprocessing.rst
index 2f770b63223..2a52af1c897 100644
--- a/Doc/library/multiprocessing.rst
+++ b/Doc/library/multiprocessing.rst
@@ -2165,7 +2165,7 @@ with the :class:`Pool` class.
 
       .. versionadded:: 3.3
 
-   .. method:: starmap_async(func, iterable[, chunksize[, callback[, error_back]]])
+   .. method:: starmap_async(func, iterable[, chunksize[, callback[, error_callback]]])
 
       A combination of :meth:`starmap` and :meth:`map_async` that iterates over
       *iterable* of iterables and calls *func* with the iterables unpacked.