diff --git a/docs/source/config/extensions/cythonmagic.rst b/docs/source/config/extensions/cythonmagic.rst
index f6b76fb..6a522ea 100644
--- a/docs/source/config/extensions/cythonmagic.rst
+++ b/docs/source/config/extensions/cythonmagic.rst
@@ -4,4 +4,4 @@
cythonmagic
===========
-.. automodule:: IPython.extensions.cythonmagic
+The `cython` magic has been moved in the `cython` package.
diff --git a/docs/source/config/extensions/index.rst b/docs/source/config/extensions/index.rst
index 9d70c5c..2f8dcc5 100644
--- a/docs/source/config/extensions/index.rst
+++ b/docs/source/config/extensions/index.rst
@@ -100,3 +100,5 @@ Extensions bundled with IPython
* ``rmagic`` is now part of `rpy2 `_. Use
``%load_ext rpy2.ipython`` to load it, and see :mod:`rpy2.ipython.rmagic` for
details of how to use it.
+* ``cythonmagic``used to be bundled, but is now part of `cython `_
+ Use ``%load_ext cython`` to load it.
diff --git a/docs/source/config/intro.rst b/docs/source/config/intro.rst
index c7ef592..00efcef 100644
--- a/docs/source/config/intro.rst
+++ b/docs/source/config/intro.rst
@@ -41,7 +41,7 @@ extend, :meth:`~IPython.config.loader.LazyConfigValue.prepend` (like
extend, but at the front), add and update (which works both for dicts
and sets)::
- c.InteractiveShellApp.extensions.append('cythonmagic')
+ c.InteractiveShellApp.extensions.append('cython')
.. versionadded:: 2.0
list, dict and set methods for config values