builtin -> built-in.
diff --git a/Doc/library/multiprocessing.rst b/Doc/library/multiprocessing.rst
index 9522865..9e53aa5 100644
--- a/Doc/library/multiprocessing.rst
+++ b/Doc/library/multiprocessing.rst
@@ -1555,8 +1555,8 @@
 
    .. method:: apply(func[, args[, kwds]])
 
-      Equivalent of the :func:`apply` builtin function.  It blocks till the
-      result is ready. Given this blocks - :meth:`apply_async` is better suited
+      Equivalent of the :func:`apply` built-in function.  It blocks till the
+      result is ready.  Given this blocks, :meth:`apply_async` is better suited
       for performing work in parallel. Additionally, the passed
       in function is only executed in one of the workers of the pool.
 
@@ -1571,7 +1571,7 @@
 
    .. method:: map(func, iterable[, chunksize])
 
-      A parallel equivalent of the :func:`map` builtin function (it supports only
+      A parallel equivalent of the :func:`map` built-in function (it supports only
       one *iterable* argument though).  It blocks till the result is ready.
 
       This method chops the iterable into a number of chunks which it submits to