add a note on the install page about pip versioning on OS X
and update the pip version needed to get wheels
diff --git a/docs/installation.rst b/docs/installation.rst
index 38dc486..cb876b8 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -183,8 +183,13 @@
Building cryptography on OS X
-----------------------------
+.. note::
+
+ If installation gives a ``fatal error: 'openssl/aes.h' file not found``
+ see the :doc:`FAQ </faq>` for information about how to fix this issue.
+
The wheel package on OS X is a statically linked build (as of 1.0.1) so for
-users with pip 1.5 or above you only need one step:
+users with pip 8 or above you only need one step:
.. code-block:: console