Edits, and add markup
diff --git a/Doc/library/multiprocessing.rst b/Doc/library/multiprocessing.rst
index a005dc4..c5901fa 100644
--- a/Doc/library/multiprocessing.rst
+++ b/Doc/library/multiprocessing.rst
@@ -20,11 +20,11 @@
.. warning::
- This package largely requires a functioning shared semaphore
- implementation on the host operating system to function. Without one, the
+ Some of this package's functionality requires a functioning shared semaphore
+ implementation on the host operating system. Without one, the
:mod:`multiprocessing.synchronize` module will be disabled, and attempts to
- import it will result in an ImportError. See
- http://bugs.python.org/issue3770 for additional information.
+ import it will result in an :exc:`ImportError`. See
+ :issue:`3770` for additional information.
The :class:`Process` class
~~~~~~~~~~~~~~~~~~~~~~~~~~